Home / 345,051,948.47-517,194,546.12-262,899,990.77

Finding the Fourth Proportional to 345,051,948.47, 517,194,546.12 and 262,899,990.77

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Solution

The fourth proportional to 345,051,948.47, 517,194,546.12 and 262,899,990.77 is: 394,057,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,051,948.47 : 517,194,546.12 = 262,899,990.77 : x
  2. Step 2: Convert to fraction form
    345,051,948.47/517,194,546.12 = 262,899,990.77/x
  3. Step 3: Cross multiply
    345,051,948.47x = 517,194,546.12 × 262,899,990.77
  4. Step 4: Simplify right side
    345,051,948.47x = 135,970,441,398,656,368
  5. Step 5: Solve for x
    x = 135,970,441,398,656,368/345,051,948.47
  6. Step 6: Final answer
    x = 394,057,886.08

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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.