Home / 523,498,719.40-785,248,079.10-442,877,151.40

Finding the Fourth Proportional to 523,498,719.40, 785,248,079.10 and 442,877,151.40

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Solution

The fourth proportional to 523,498,719.40, 785,248,079.10 and 442,877,151.40 is: 664,315,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,498,719.40 : 785,248,079.10 = 442,877,151.40 : x
  2. Step 2: Convert to fraction form
    523,498,719.40/785,248,079.10 = 442,877,151.40/x
  3. Step 3: Cross multiply
    523,498,719.40x = 785,248,079.10 × 442,877,151.40
  4. Step 4: Simplify right side
    523,498,719.40x = 347,768,432,414,129,856
  5. Step 5: Solve for x
    x = 347,768,432,414,129,856/523,498,719.40
  6. Step 6: Final answer
    x = 664,315,727.10

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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.