Home / 932,403,839.68-1,286,710,752.96-509,017,500.88

Finding the Fourth Proportional to 932,403,839.68, 1,286,710,752.96 and 509,017,500.88

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Solution

The fourth proportional to 932,403,839.68, 1,286,710,752.96 and 509,017,500.88 is: 702,440,577.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,403,839.68 : 1,286,710,752.96 = 509,017,500.88 : x
  2. Step 2: Convert to fraction form
    932,403,839.68/1,286,710,752.96 = 509,017,500.88/x
  3. Step 3: Cross multiply
    932,403,839.68x = 1,286,710,752.96 × 509,017,500.88
  4. Step 4: Simplify right side
    932,403,839.68x = 654,958,291,827,122,304
  5. Step 5: Solve for x
    x = 654,958,291,827,122,304/932,403,839.68
  6. Step 6: Final answer
    x = 702,440,577.73

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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.