Home / 1,008,588,618.12-1,513,342,609.10-517,646,648.15

Finding the Fourth Proportional to 1,008,588,618.12, 1,513,342,609.10 and 517,646,648.15

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Solution

The fourth proportional to 1,008,588,618.12, 1,513,342,609.10 and 517,646,648.15 is: 776,705,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,588,618.12 : 1,513,342,609.10 = 517,646,648.15 : x
  2. Step 2: Convert to fraction form
    1,008,588,618.12/1,513,342,609.10 = 517,646,648.15/x
  3. Step 3: Cross multiply
    1,008,588,618.12x = 1,513,342,609.10 × 517,646,648.15
  4. Step 4: Simplify right side
    1,008,588,618.12x = 783,376,729,103,190,656
  5. Step 5: Solve for x
    x = 783,376,729,103,190,656/1,008,588,618.12
  6. Step 6: Final answer
    x = 776,705,898.75

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Double scale
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1.5x scale

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.