Home / 485,333,773.60-728,000,660.40-194,245,823.20

Finding the Fourth Proportional to 485,333,773.60, 728,000,660.40 and 194,245,823.20

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Solution

The fourth proportional to 485,333,773.60, 728,000,660.40 and 194,245,823.20 is: 291,368,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,333,773.60 : 728,000,660.40 = 194,245,823.20 : x
  2. Step 2: Convert to fraction form
    485,333,773.60/728,000,660.40 = 194,245,823.20/x
  3. Step 3: Cross multiply
    485,333,773.60x = 728,000,660.40 × 194,245,823.20
  4. Step 4: Simplify right side
    485,333,773.60x = 141,411,087,569,541,632
  5. Step 5: Solve for x
    x = 141,411,087,569,541,632/485,333,773.60
  6. Step 6: Final answer
    x = 291,368,734.80

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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.