Home / 348,480,920.80-522,721,381.20-331,474,808.80

Finding the Fourth Proportional to 348,480,920.80, 522,721,381.20 and 331,474,808.80

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Solution

The fourth proportional to 348,480,920.80, 522,721,381.20 and 331,474,808.80 is: 497,212,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,480,920.80 : 522,721,381.20 = 331,474,808.80 : x
  2. Step 2: Convert to fraction form
    348,480,920.80/522,721,381.20 = 331,474,808.80/x
  3. Step 3: Cross multiply
    348,480,920.80x = 522,721,381.20 × 331,474,808.80
  4. Step 4: Simplify right side
    348,480,920.80x = 173,268,969,888,941,920
  5. Step 5: Solve for x
    x = 173,268,969,888,941,920/348,480,920.80
  6. Step 6: Final answer
    x = 497,212,213.20

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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.