Home / 382,247,522.72-572,478,463.20-351,381,429.44

Finding the Fourth Proportional to 382,247,522.72, 572,478,463.20 and 351,381,429.44

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Solution

The fourth proportional to 382,247,522.72, 572,478,463.20 and 351,381,429.44 is: 526,251,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,247,522.72 : 572,478,463.20 = 351,381,429.44 : x
  2. Step 2: Convert to fraction form
    382,247,522.72/572,478,463.20 = 351,381,429.44/x
  3. Step 3: Cross multiply
    382,247,522.72x = 572,478,463.20 × 351,381,429.44
  4. Step 4: Simplify right side
    382,247,522.72x = 201,158,300,722,830,464
  5. Step 5: Solve for x
    x = 201,158,300,722,830,464/382,247,522.72
  6. Step 6: Final answer
    x = 526,251,417.65

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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.