Home / 714,442,691.25-1,071,472,717.89-196,750,069.92

Finding the Fourth Proportional to 714,442,691.25, 1,071,472,717.89 and 196,750,069.92

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Solution

The fourth proportional to 714,442,691.25, 1,071,472,717.89 and 196,750,069.92 is: 295,072,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,442,691.25 : 1,071,472,717.89 = 196,750,069.92 : x
  2. Step 2: Convert to fraction form
    714,442,691.25/1,071,472,717.89 = 196,750,069.92/x
  3. Step 3: Cross multiply
    714,442,691.25x = 1,071,472,717.89 × 196,750,069.92
  4. Step 4: Simplify right side
    714,442,691.25x = 210,812,332,162,229,920
  5. Step 5: Solve for x
    x = 210,812,332,162,229,920/714,442,691.25
  6. Step 6: Final answer
    x = 295,072,417.63

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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.