Home / 346,999,521.33-520,480,123.10-253,722,079.76

Finding the Fourth Proportional to 346,999,521.33, 520,480,123.10 and 253,722,079.76

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Solution

The fourth proportional to 346,999,521.33, 520,480,123.10 and 253,722,079.76 is: 380,569,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,999,521.33 : 520,480,123.10 = 253,722,079.76 : x
  2. Step 2: Convert to fraction form
    346,999,521.33/520,480,123.10 = 253,722,079.76/x
  3. Step 3: Cross multiply
    346,999,521.33x = 520,480,123.10 × 253,722,079.76
  4. Step 4: Simplify right side
    346,999,521.33x = 132,057,299,304,070,416
  5. Step 5: Solve for x
    x = 132,057,299,304,070,416/346,999,521.33
  6. Step 6: Final answer
    x = 380,569,110.87

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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.