Home / 513,404,612.95-765,790,404.03-466,272,690.09

Finding the Fourth Proportional to 513,404,612.95, 765,790,404.03 and 466,272,690.09

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Solution

The fourth proportional to 513,404,612.95, 765,790,404.03 and 466,272,690.09 is: 695,488,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,404,612.95 : 765,790,404.03 = 466,272,690.09 : x
  2. Step 2: Convert to fraction form
    513,404,612.95/765,790,404.03 = 466,272,690.09/x
  3. Step 3: Cross multiply
    513,404,612.95x = 765,790,404.03 × 466,272,690.09
  4. Step 4: Simplify right side
    513,404,612.95x = 357,067,151,732,176,064
  5. Step 5: Solve for x
    x = 357,067,151,732,176,064/513,404,612.95
  6. Step 6: Final answer
    x = 695,488,787.45

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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.