Home / 514,651,396.24-710,224,414.76-279,702,070.16

Finding the Fourth Proportional to 514,651,396.24, 710,224,414.76 and 279,702,070.16

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Solution

The fourth proportional to 514,651,396.24, 710,224,414.76 and 279,702,070.16 is: 385,991,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,396.24 : 710,224,414.76 = 279,702,070.16 : x
  2. Step 2: Convert to fraction form
    514,651,396.24/710,224,414.76 = 279,702,070.16/x
  3. Step 3: Cross multiply
    514,651,396.24x = 710,224,414.76 × 279,702,070.16
  4. Step 4: Simplify right side
    514,651,396.24x = 198,651,239,086,546,464
  5. Step 5: Solve for x
    x = 198,651,239,086,546,464/514,651,396.24
  6. Step 6: Final answer
    x = 385,991,839.40

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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.