Home / 346,999,520.46-520,480,121.79-253,722,078.88

Finding the Fourth Proportional to 346,999,520.46, 520,480,121.79 and 253,722,078.88

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Solution

The fourth proportional to 346,999,520.46, 520,480,121.79 and 253,722,078.88 is: 380,569,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,999,520.46 : 520,480,121.79 = 253,722,078.88 : x
  2. Step 2: Convert to fraction form
    346,999,520.46/520,480,121.79 = 253,722,078.88/x
  3. Step 3: Cross multiply
    346,999,520.46x = 520,480,121.79 × 253,722,078.88
  4. Step 4: Simplify right side
    346,999,520.46x = 132,057,298,516,274,384
  5. Step 5: Solve for x
    x = 132,057,298,516,274,384/346,999,520.46
  6. Step 6: Final answer
    x = 380,569,109.55

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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.