Home / 513,404,613.96-765,790,405.52-466,272,691.08

Finding the Fourth Proportional to 513,404,613.96, 765,790,405.52 and 466,272,691.08

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Solution

The fourth proportional to 513,404,613.96, 765,790,405.52 and 466,272,691.08 is: 695,488,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,404,613.96 : 765,790,405.52 = 466,272,691.08 : x
  2. Step 2: Convert to fraction form
    513,404,613.96/765,790,405.52 = 466,272,691.08/x
  3. Step 3: Cross multiply
    513,404,613.96x = 765,790,405.52 × 466,272,691.08
  4. Step 4: Simplify right side
    513,404,613.96x = 357,067,153,185,054,848
  5. Step 5: Solve for x
    x = 357,067,153,185,054,848/513,404,613.96
  6. Step 6: Final answer
    x = 695,488,788.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.