Home / 484,512,147.60-726,920,678.40-173,407,665.72

Finding the Fourth Proportional to 484,512,147.60, 726,920,678.40 and 173,407,665.72

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Solution

The fourth proportional to 484,512,147.60, 726,920,678.40 and 173,407,665.72 is: 260,166,063.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,512,147.60 : 726,920,678.40 = 173,407,665.72 : x
  2. Step 2: Convert to fraction form
    484,512,147.60/726,920,678.40 = 173,407,665.72/x
  3. Step 3: Cross multiply
    484,512,147.60x = 726,920,678.40 × 173,407,665.72
  4. Step 4: Simplify right side
    484,512,147.60x = 126,053,618,004,942,816
  5. Step 5: Solve for x
    x = 126,053,618,004,942,816/484,512,147.60
  6. Step 6: Final answer
    x = 260,166,063.18

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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.