Home / 426,218,259.20-639,068,493.44-167,123,064.32

Finding the Fourth Proportional to 426,218,259.20, 639,068,493.44 and 167,123,064.32

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Solution

The fourth proportional to 426,218,259.20, 639,068,493.44 and 167,123,064.32 is: 250,583,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,218,259.20 : 639,068,493.44 = 167,123,064.32 : x
  2. Step 2: Convert to fraction form
    426,218,259.20/639,068,493.44 = 167,123,064.32/x
  3. Step 3: Cross multiply
    426,218,259.20x = 639,068,493.44 × 167,123,064.32
  4. Step 4: Simplify right side
    426,218,259.20x = 106,803,084,934,058,624
  5. Step 5: Solve for x
    x = 106,803,084,934,058,624/426,218,259.20
  6. Step 6: Final answer
    x = 250,583,081.86

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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.