Home / 348,480,876.80-522,721,315.20-331,474,764.80

Finding the Fourth Proportional to 348,480,876.80, 522,721,315.20 and 331,474,764.80

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Solution

The fourth proportional to 348,480,876.80, 522,721,315.20 and 331,474,764.80 is: 497,212,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,480,876.80 : 522,721,315.20 = 331,474,764.80 : x
  2. Step 2: Convert to fraction form
    348,480,876.80/522,721,315.20 = 331,474,764.80/x
  3. Step 3: Cross multiply
    348,480,876.80x = 522,721,315.20 × 331,474,764.80
  4. Step 4: Simplify right side
    348,480,876.80x = 173,268,925,011,866,656
  5. Step 5: Solve for x
    x = 173,268,925,011,866,656/348,480,876.80
  6. Step 6: Final answer
    x = 497,212,147.20

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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.