Home / 442,368,000.20-663,552,000.30-155,182,694.60

Finding the Fourth Proportional to 442,368,000.20, 663,552,000.30 and 155,182,694.60

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Solution

The fourth proportional to 442,368,000.20, 663,552,000.30 and 155,182,694.60 is: 232,774,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,368,000.20 : 663,552,000.30 = 155,182,694.60 : x
  2. Step 2: Convert to fraction form
    442,368,000.20/663,552,000.30 = 155,182,694.60/x
  3. Step 3: Cross multiply
    442,368,000.20x = 663,552,000.30 × 155,182,694.60
  4. Step 4: Simplify right side
    442,368,000.20x = 102,971,787,413,774,000
  5. Step 5: Solve for x
    x = 102,971,787,413,774,000/442,368,000.20
  6. Step 6: Final answer
    x = 232,774,041.90

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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.