Home / 487,457,659.80-731,160,737.74-159,890,024.52

Finding the Fourth Proportional to 487,457,659.80, 731,160,737.74 and 159,890,024.52

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Solution

The fourth proportional to 487,457,659.80, 731,160,737.74 and 159,890,024.52 is: 239,826,589.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,457,659.80 : 731,160,737.74 = 159,890,024.52 : x
  2. Step 2: Convert to fraction form
    487,457,659.80/731,160,737.74 = 159,890,024.52/x
  3. Step 3: Cross multiply
    487,457,659.80x = 731,160,737.74 × 159,890,024.52
  4. Step 4: Simplify right side
    487,457,659.80x = 116,905,308,281,254,336
  5. Step 5: Solve for x
    x = 116,905,308,281,254,336/487,457,659.80
  6. Step 6: Final answer
    x = 239,826,589.92

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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.