Home / 442,872,004.30-664,308,006.45-417,789,738.70

Finding the Fourth Proportional to 442,872,004.30, 664,308,006.45 and 417,789,738.70

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Solution

The fourth proportional to 442,872,004.30, 664,308,006.45 and 417,789,738.70 is: 626,684,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872,004.30 : 664,308,006.45 = 417,789,738.70 : x
  2. Step 2: Convert to fraction form
    442,872,004.30/664,308,006.45 = 417,789,738.70/x
  3. Step 3: Cross multiply
    442,872,004.30x = 664,308,006.45 × 417,789,738.70
  4. Step 4: Simplify right side
    442,872,004.30x = 277,541,068,431,063,424
  5. Step 5: Solve for x
    x = 277,541,068,431,063,424/442,872,004.30
  6. Step 6: Final answer
    x = 626,684,608.05

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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.