Home / 459,255,619.59-688,691,888.33-144,040,435.38

Finding the Fourth Proportional to 459,255,619.59, 688,691,888.33 and 144,040,435.38

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Solution

The fourth proportional to 459,255,619.59, 688,691,888.33 and 144,040,435.38 is: 216,000,578.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,255,619.59 : 688,691,888.33 = 144,040,435.38 : x
  2. Step 2: Convert to fraction form
    459,255,619.59/688,691,888.33 = 144,040,435.38/x
  3. Step 3: Cross multiply
    459,255,619.59x = 688,691,888.33 × 144,040,435.38
  4. Step 4: Simplify right side
    459,255,619.59x = 99,199,479,437,007,344
  5. Step 5: Solve for x
    x = 99,199,479,437,007,344/459,255,619.59
  6. Step 6: Final answer
    x = 216,000,578.34

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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.