Home / 345,251,922.32-518,205,292.02-213,696,253.91

Finding the Fourth Proportional to 345,251,922.32, 518,205,292.02 and 213,696,253.91

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Solution

The fourth proportional to 345,251,922.32, 518,205,292.02 and 213,696,253.91 is: 320,747,032.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,251,922.32 : 518,205,292.02 = 213,696,253.91 : x
  2. Step 2: Convert to fraction form
    345,251,922.32/518,205,292.02 = 213,696,253.91/x
  3. Step 3: Cross multiply
    345,251,922.32x = 518,205,292.02 × 213,696,253.91
  4. Step 4: Simplify right side
    345,251,922.32x = 110,738,529,658,420,592
  5. Step 5: Solve for x
    x = 110,738,529,658,420,592/345,251,922.32
  6. Step 6: Final answer
    x = 320,747,032.82

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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.