Home / 514,651,398.24-710,224,417.52-279,702,072.16

Finding the Fourth Proportional to 514,651,398.24, 710,224,417.52 and 279,702,072.16

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Solution

The fourth proportional to 514,651,398.24, 710,224,417.52 and 279,702,072.16 is: 385,991,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,398.24 : 710,224,417.52 = 279,702,072.16 : x
  2. Step 2: Convert to fraction form
    514,651,398.24/710,224,417.52 = 279,702,072.16/x
  3. Step 3: Cross multiply
    514,651,398.24x = 710,224,417.52 × 279,702,072.16
  4. Step 4: Simplify right side
    514,651,398.24x = 198,651,241,278,973,024
  5. Step 5: Solve for x
    x = 198,651,241,278,973,024/514,651,398.24
  6. Step 6: Final answer
    x = 385,991,842.16

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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.