Home / 487,457,656.16-731,160,732.31-159,890,020.88

Finding the Fourth Proportional to 487,457,656.16, 731,160,732.31 and 159,890,020.88

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Solution

The fourth proportional to 487,457,656.16, 731,160,732.31 and 159,890,020.88 is: 239,826,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,457,656.16 : 731,160,732.31 = 159,890,020.88 : x
  2. Step 2: Convert to fraction form
    487,457,656.16/731,160,732.31 = 159,890,020.88/x
  3. Step 3: Cross multiply
    487,457,656.16x = 731,160,732.31 × 159,890,020.88
  4. Step 4: Simplify right side
    487,457,656.16x = 116,905,304,751,629,664
  5. Step 5: Solve for x
    x = 116,905,304,751,629,664/487,457,656.16
  6. Step 6: Final answer
    x = 239,826,584.47

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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.