Home / 460,274,649.70-690,407,250.54-266,062,488.70

Finding the Fourth Proportional to 460,274,649.70, 690,407,250.54 and 266,062,488.70

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Solution

The fourth proportional to 460,274,649.70, 690,407,250.54 and 266,062,488.70 is: 399,091,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,274,649.70 : 690,407,250.54 = 266,062,488.70 : x
  2. Step 2: Convert to fraction form
    460,274,649.70/690,407,250.54 = 266,062,488.70/x
  3. Step 3: Cross multiply
    460,274,649.70x = 690,407,250.54 × 266,062,488.70
  4. Step 4: Simplify right side
    460,274,649.70x = 183,691,471,295,196,800
  5. Step 5: Solve for x
    x = 183,691,471,295,196,800/460,274,649.70
  6. Step 6: Final answer
    x = 399,091,002.33

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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.