Home / 787,514,463.94-1,086,781,360.08-435,098,567.20

Finding the Fourth Proportional to 787,514,463.94, 1,086,781,360.08 and 435,098,567.20

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Solution

The fourth proportional to 787,514,463.94, 1,086,781,360.08 and 435,098,567.20 is: 600,442,321.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,514,463.94 : 1,086,781,360.08 = 435,098,567.20 : x
  2. Step 2: Convert to fraction form
    787,514,463.94/1,086,781,360.08 = 435,098,567.20/x
  3. Step 3: Cross multiply
    787,514,463.94x = 1,086,781,360.08 × 435,098,567.20
  4. Step 4: Simplify right side
    787,514,463.94x = 472,857,012,630,475,200
  5. Step 5: Solve for x
    x = 472,857,012,630,475,200/787,514,463.94
  6. Step 6: Final answer
    x = 600,442,321.10

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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.