Home / 2,318,816,807.04-3,199,992,567.36-1,261,550,789.76

Finding the Fourth Proportional to 2,318,816,807.04, 3,199,992,567.36 and 1,261,550,789.76

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Solution

The fourth proportional to 2,318,816,807.04, 3,199,992,567.36 and 1,261,550,789.76 is: 1,740,953,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,816,807.04 : 3,199,992,567.36 = 1,261,550,789.76 : x
  2. Step 2: Convert to fraction form
    2,318,816,807.04/3,199,992,567.36 = 1,261,550,789.76/x
  3. Step 3: Cross multiply
    2,318,816,807.04x = 3,199,992,567.36 × 1,261,550,789.76
  4. Step 4: Simplify right side
    2,318,816,807.04x = 4,036,953,150,579,138,048
  5. Step 5: Solve for x
    x = 4,036,953,150,579,138,048/2,318,816,807.04
  6. Step 6: Final answer
    x = 1,740,953,894.38

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Half scale
Find fourth proportional to 4,637,633,614.08, 6,399,985,134.72 and 2,523,101,579.52
Double scale
Find fourth proportional to 2,318,816,808.04, 3,199,992,568.74 and 1,261,550,790.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.