Home / 560,538,689.13-773,528,398.31-309,637,681.12

Finding the Fourth Proportional to 560,538,689.13, 773,528,398.31 and 309,637,681.12

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Solution

The fourth proportional to 560,538,689.13, 773,528,398.31 and 309,637,681.12 is: 427,291,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,538,689.13 : 773,528,398.31 = 309,637,681.12 : x
  2. Step 2: Convert to fraction form
    560,538,689.13/773,528,398.31 = 309,637,681.12/x
  3. Step 3: Cross multiply
    560,538,689.13x = 773,528,398.31 × 309,637,681.12
  4. Step 4: Simplify right side
    560,538,689.13x = 239,513,539,534,924,864
  5. Step 5: Solve for x
    x = 239,513,539,534,924,864/560,538,689.13
  6. Step 6: Final answer
    x = 427,291,718.09

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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.