Home / 442,872,001.30-664,308,001.95-417,789,735.70

Finding the Fourth Proportional to 442,872,001.30, 664,308,001.95 and 417,789,735.70

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Solution

The fourth proportional to 442,872,001.30, 664,308,001.95 and 417,789,735.70 is: 626,684,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,872,001.30 : 664,308,001.95 = 417,789,735.70 : x
  2. Step 2: Convert to fraction form
    442,872,001.30/664,308,001.95 = 417,789,735.70/x
  3. Step 3: Cross multiply
    442,872,001.30x = 664,308,001.95 × 417,789,735.70
  4. Step 4: Simplify right side
    442,872,001.30x = 277,541,064,558,085,600
  5. Step 5: Solve for x
    x = 277,541,064,558,085,600/442,872,001.30
  6. Step 6: Final answer
    x = 626,684,603.55

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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.