Home / 834,888,874.24-1,252,287,253.14-343,477,781.83

Finding the Fourth Proportional to 834,888,874.24, 1,252,287,253.14 and 343,477,781.83

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Solution

The fourth proportional to 834,888,874.24, 1,252,287,253.14 and 343,477,781.83 is: 515,197,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,888,874.24 : 1,252,287,253.14 = 343,477,781.83 : x
  2. Step 2: Convert to fraction form
    834,888,874.24/1,252,287,253.14 = 343,477,781.83/x
  3. Step 3: Cross multiply
    834,888,874.24x = 1,252,287,253.14 × 343,477,781.83
  4. Step 4: Simplify right side
    834,888,874.24x = 430,132,847,922,510,912
  5. Step 5: Solve for x
    x = 430,132,847,922,510,912/834,888,874.24
  6. Step 6: Final answer
    x = 515,197,724.15

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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.