Home / 459,255,620.59-688,691,889.82-144,040,436.38

Finding the Fourth Proportional to 459,255,620.59, 688,691,889.82 and 144,040,436.38

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Solution

The fourth proportional to 459,255,620.59, 688,691,889.82 and 144,040,436.38 is: 216,000,579.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,255,620.59 : 688,691,889.82 = 144,040,436.38 : x
  2. Step 2: Convert to fraction form
    459,255,620.59/688,691,889.82 = 144,040,436.38/x
  3. Step 3: Cross multiply
    459,255,620.59x = 688,691,889.82 × 144,040,436.38
  4. Step 4: Simplify right side
    459,255,620.59x = 99,199,480,341,039,680
  5. Step 5: Solve for x
    x = 99,199,480,341,039,680/459,255,620.59
  6. Step 6: Final answer
    x = 216,000,579.84

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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.