Home / 557,437,815.28-836,102,692.88-169,264,057.76

Finding the Fourth Proportional to 557,437,815.28, 836,102,692.88 and 169,264,057.76

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Solution

The fourth proportional to 557,437,815.28, 836,102,692.88 and 169,264,057.76 is: 253,879,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,437,815.28 : 836,102,692.88 = 169,264,057.76 : x
  2. Step 2: Convert to fraction form
    557,437,815.28/836,102,692.88 = 169,264,057.76/x
  3. Step 3: Cross multiply
    557,437,815.28x = 836,102,692.88 × 169,264,057.76
  4. Step 4: Simplify right side
    557,437,815.28x = 141,522,134,500,931,856
  5. Step 5: Solve for x
    x = 141,522,134,500,931,856/557,437,815.28
  6. Step 6: Final answer
    x = 253,879,680.61

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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.