Home / 523,498,697.40-785,248,046.10-442,877,129.40

Finding the Fourth Proportional to 523,498,697.40, 785,248,046.10 and 442,877,129.40

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Solution

The fourth proportional to 523,498,697.40, 785,248,046.10 and 442,877,129.40 is: 664,315,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,498,697.40 : 785,248,046.10 = 442,877,129.40 : x
  2. Step 2: Convert to fraction form
    523,498,697.40/785,248,046.10 = 442,877,129.40/x
  3. Step 3: Cross multiply
    523,498,697.40x = 785,248,046.10 × 442,877,129.40
  4. Step 4: Simplify right side
    523,498,697.40x = 347,768,400,523,726,848
  5. Step 5: Solve for x
    x = 347,768,400,523,726,848/523,498,697.40
  6. Step 6: Final answer
    x = 664,315,694.10

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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.