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Finding the Fourth Proportional to 870,969,721.40, 1,306,454,582.10 and 224,737,465.40

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Solution

The fourth proportional to 870,969,721.40, 1,306,454,582.10 and 224,737,465.40 is: 337,106,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,969,721.40 : 1,306,454,582.10 = 224,737,465.40 : x
  2. Step 2: Convert to fraction form
    870,969,721.40/1,306,454,582.10 = 224,737,465.40/x
  3. Step 3: Cross multiply
    870,969,721.40x = 1,306,454,582.10 × 224,737,465.40
  4. Step 4: Simplify right side
    870,969,721.40x = 293,609,291,441,370,176
  5. Step 5: Solve for x
    x = 293,609,291,441,370,176/870,969,721.40
  6. Step 6: Final answer
    x = 337,106,198.10

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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.