Home / 272,045,652.70-408,068,479.05-261,464,071.90

Finding the Fourth Proportional to 272,045,652.70, 408,068,479.05 and 261,464,071.90

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Solution

The fourth proportional to 272,045,652.70, 408,068,479.05 and 261,464,071.90 is: 392,196,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,045,652.70 : 408,068,479.05 = 261,464,071.90 : x
  2. Step 2: Convert to fraction form
    272,045,652.70/408,068,479.05 = 261,464,071.90/x
  3. Step 3: Cross multiply
    272,045,652.70x = 408,068,479.05 × 261,464,071.90
  4. Step 4: Simplify right side
    272,045,652.70x = 106,695,246,146,452,848
  5. Step 5: Solve for x
    x = 106,695,246,146,452,848/272,045,652.70
  6. Step 6: Final answer
    x = 392,196,107.85

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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.