Home / 486,644,311.67-730,011,345.03-159,121,504.40

Finding the Fourth Proportional to 486,644,311.67, 730,011,345.03 and 159,121,504.40

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Solution

The fourth proportional to 486,644,311.67, 730,011,345.03 and 159,121,504.40 is: 238,696,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,644,311.67 : 730,011,345.03 = 159,121,504.40 : x
  2. Step 2: Convert to fraction form
    486,644,311.67/730,011,345.03 = 159,121,504.40/x
  3. Step 3: Cross multiply
    486,644,311.67x = 730,011,345.03 × 159,121,504.40
  4. Step 4: Simplify right side
    486,644,311.67x = 116,160,503,446,591,008
  5. Step 5: Solve for x
    x = 116,160,503,446,591,008/486,644,311.67
  6. Step 6: Final answer
    x = 238,696,930.51

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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.