Home / 906,897,248.46-1,251,477,942.03-505,031,724.90

Finding the Fourth Proportional to 906,897,248.46, 1,251,477,942.03 and 505,031,724.90

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Solution

The fourth proportional to 906,897,248.46, 1,251,477,942.03 and 505,031,724.90 is: 696,921,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,897,248.46 : 1,251,477,942.03 = 505,031,724.90 : x
  2. Step 2: Convert to fraction form
    906,897,248.46/1,251,477,942.03 = 505,031,724.90/x
  3. Step 3: Cross multiply
    906,897,248.46x = 1,251,477,942.03 × 505,031,724.90
  4. Step 4: Simplify right side
    906,897,248.46x = 632,036,063,737,713,024
  5. Step 5: Solve for x
    x = 632,036,063,737,713,024/906,897,248.46
  6. Step 6: Final answer
    x = 696,921,359.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.