Home / 1,992,344,110.80-2,980,454,009.40-1,750,479,406.80

Finding the Fourth Proportional to 1,992,344,110.80, 2,980,454,009.40 and 1,750,479,406.80

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Solution

The fourth proportional to 1,992,344,110.80, 2,980,454,009.40 and 1,750,479,406.80 is: 2,618,635,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,344,110.80 : 2,980,454,009.40 = 1,750,479,406.80 : x
  2. Step 2: Convert to fraction form
    1,992,344,110.80/2,980,454,009.40 = 1,750,479,406.80/x
  3. Step 3: Cross multiply
    1,992,344,110.80x = 2,980,454,009.40 × 1,750,479,406.80
  4. Step 4: Simplify right side
    1,992,344,110.80x = 5,217,223,366,369,193,984
  5. Step 5: Solve for x
    x = 5,217,223,366,369,193,984/1,992,344,110.80
  6. Step 6: Final answer
    x = 2,618,635,675.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.