Home / 442,904,658.60-664,356,987.90-417,395,490.60

Finding the Fourth Proportional to 442,904,658.60, 664,356,987.90 and 417,395,490.60

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Solution

The fourth proportional to 442,904,658.60, 664,356,987.90 and 417,395,490.60 is: 626,093,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,658.60 : 664,356,987.90 = 417,395,490.60 : x
  2. Step 2: Convert to fraction form
    442,904,658.60/664,356,987.90 = 417,395,490.60/x
  3. Step 3: Cross multiply
    442,904,658.60x = 664,356,987.90 × 417,395,490.60
  4. Step 4: Simplify right side
    442,904,658.60x = 277,299,610,898,058,784
  5. Step 5: Solve for x
    x = 277,299,610,898,058,784/442,904,658.60
  6. Step 6: Final answer
    x = 626,093,235.90

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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.