Home / 756,522,000.10-1,134,783,000.15-369,101,511.10

Finding the Fourth Proportional to 756,522,000.10, 1,134,783,000.15 and 369,101,511.10

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Solution

The fourth proportional to 756,522,000.10, 1,134,783,000.15 and 369,101,511.10 is: 553,652,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,522,000.10 : 1,134,783,000.15 = 369,101,511.10 : x
  2. Step 2: Convert to fraction form
    756,522,000.10/1,134,783,000.15 = 369,101,511.10/x
  3. Step 3: Cross multiply
    756,522,000.10x = 1,134,783,000.15 × 369,101,511.10
  4. Step 4: Simplify right side
    756,522,000.10x = 418,850,120,125,956,608
  5. Step 5: Solve for x
    x = 418,850,120,125,956,608/756,522,000.10
  6. Step 6: Final answer
    x = 553,652,266.65

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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.