Home / 514,651,397.24-710,224,416.14-279,702,071.16

Finding the Fourth Proportional to 514,651,397.24, 710,224,416.14 and 279,702,071.16

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Solution

The fourth proportional to 514,651,397.24, 710,224,416.14 and 279,702,071.16 is: 385,991,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,397.24 : 710,224,416.14 = 279,702,071.16 : x
  2. Step 2: Convert to fraction form
    514,651,397.24/710,224,416.14 = 279,702,071.16/x
  3. Step 3: Cross multiply
    514,651,397.24x = 710,224,416.14 × 279,702,071.16
  4. Step 4: Simplify right side
    514,651,397.24x = 198,651,240,182,759,744
  5. Step 5: Solve for x
    x = 198,651,240,182,759,744/514,651,397.24
  6. Step 6: Final answer
    x = 385,991,840.78

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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.