Home / 600,613,781.40-900,920,672.10-471,619,272.60

Finding the Fourth Proportional to 600,613,781.40, 900,920,672.10 and 471,619,272.60

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Solution

The fourth proportional to 600,613,781.40, 900,920,672.10 and 471,619,272.60 is: 707,428,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,613,781.40 : 900,920,672.10 = 471,619,272.60 : x
  2. Step 2: Convert to fraction form
    600,613,781.40/900,920,672.10 = 471,619,272.60/x
  3. Step 3: Cross multiply
    600,613,781.40x = 900,920,672.10 × 471,619,272.60
  4. Step 4: Simplify right side
    600,613,781.40x = 424,891,552,046,105,152
  5. Step 5: Solve for x
    x = 424,891,552,046,105,152/600,613,781.40
  6. Step 6: Final answer
    x = 707,428,908.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.