Home / 1,802,739,690.12-2,487,795,379.40-998,980,613.41

Finding the Fourth Proportional to 1,802,739,690.12, 2,487,795,379.40 and 998,980,613.41

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Solution

The fourth proportional to 1,802,739,690.12, 2,487,795,379.40 and 998,980,613.41 is: 1,378,601,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,739,690.12 : 2,487,795,379.40 = 998,980,613.41 : x
  2. Step 2: Convert to fraction form
    1,802,739,690.12/2,487,795,379.40 = 998,980,613.41/x
  3. Step 3: Cross multiply
    1,802,739,690.12x = 2,487,795,379.40 × 998,980,613.41
  4. Step 4: Simplify right side
    1,802,739,690.12x = 2,485,259,354,148,101,632
  5. Step 5: Solve for x
    x = 2,485,259,354,148,101,632/1,802,739,690.12
  6. Step 6: Final answer
    x = 1,378,601,340.93

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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.