Home / 529,869,490.14-731,206,531.83-291,712,296.96

Finding the Fourth Proportional to 529,869,490.14, 731,206,531.83 and 291,712,296.96

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Solution

The fourth proportional to 529,869,490.14, 731,206,531.83 and 291,712,296.96 is: 402,555,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,869,490.14 : 731,206,531.83 = 291,712,296.96 : x
  2. Step 2: Convert to fraction form
    529,869,490.14/731,206,531.83 = 291,712,296.96/x
  3. Step 3: Cross multiply
    529,869,490.14x = 731,206,531.83 × 291,712,296.96
  4. Step 4: Simplify right side
    529,869,490.14x = 213,301,936,952,284,640
  5. Step 5: Solve for x
    x = 213,301,936,952,284,640/529,869,490.14
  6. Step 6: Final answer
    x = 402,555,612.13

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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.