Home / 442,872,000.80-664,308,001.20-417,789,735.20

Finding the Fourth Proportional to 442,872,000.80, 664,308,001.20 and 417,789,735.20

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Solution

The fourth proportional to 442,872,000.80, 664,308,001.20 and 417,789,735.20 is: 626,684,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872,000.80 : 664,308,001.20 = 417,789,735.20 : x
  2. Step 2: Convert to fraction form
    442,872,000.80/664,308,001.20 = 417,789,735.20/x
  3. Step 3: Cross multiply
    442,872,000.80x = 664,308,001.20 × 417,789,735.20
  4. Step 4: Simplify right side
    442,872,000.80x = 277,541,063,912,589,280
  5. Step 5: Solve for x
    x = 277,541,063,912,589,280/442,872,000.80
  6. Step 6: Final answer
    x = 626,684,602.80

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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.