Home / 868,587,359.40-1,198,251,087.30-769,569,097.32

Finding the Fourth Proportional to 868,587,359.40, 1,198,251,087.30 and 769,569,097.32

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Solution

The fourth proportional to 868,587,359.40, 1,198,251,087.30 and 769,569,097.32 is: 1,061,651,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,587,359.40 : 1,198,251,087.30 = 769,569,097.32 : x
  2. Step 2: Convert to fraction form
    868,587,359.40/1,198,251,087.30 = 769,569,097.32/x
  3. Step 3: Cross multiply
    868,587,359.40x = 1,198,251,087.30 × 769,569,097.32
  4. Step 4: Simplify right side
    868,587,359.40x = 922,137,007,616,169,600
  5. Step 5: Solve for x
    x = 922,137,007,616,169,600/868,587,359.40
  6. Step 6: Final answer
    x = 1,061,651,424.74

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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.