Home / 914,998,972.18-1,263,217,107.82-700,013,142.40

Finding the Fourth Proportional to 914,998,972.18, 1,263,217,107.82 and 700,013,142.40

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Solution

The fourth proportional to 914,998,972.18, 1,263,217,107.82 and 700,013,142.40 is: 966,414,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,998,972.18 : 1,263,217,107.82 = 700,013,142.40 : x
  2. Step 2: Convert to fraction form
    914,998,972.18/1,263,217,107.82 = 700,013,142.40/x
  3. Step 3: Cross multiply
    914,998,972.18x = 1,263,217,107.82 × 700,013,142.40
  4. Step 4: Simplify right side
    914,998,972.18x = 884,268,577,178,517,760
  5. Step 5: Solve for x
    x = 884,268,577,178,517,760/914,998,972.18
  6. Step 6: Final answer
    x = 966,414,831.12

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1.5x scale

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.