Home / 383,013,414.30-574,520,121.45-266,112,140.70

Finding the Fourth Proportional to 383,013,414.30, 574,520,121.45 and 266,112,140.70

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Solution

The fourth proportional to 383,013,414.30, 574,520,121.45 and 266,112,140.70 is: 399,168,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,013,414.30 : 574,520,121.45 = 266,112,140.70 : x
  2. Step 2: Convert to fraction form
    383,013,414.30/574,520,121.45 = 266,112,140.70/x
  3. Step 3: Cross multiply
    383,013,414.30x = 574,520,121.45 × 266,112,140.70
  4. Step 4: Simplify right side
    383,013,414.30x = 152,886,779,394,283,488
  5. Step 5: Solve for x
    x = 152,886,779,394,283,488/383,013,414.30
  6. Step 6: Final answer
    x = 399,168,211.05

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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.