Home / 548,115,136.89-822,221,019.38-154,645,410

Finding the Fourth Proportional to 548,115,136.89, 822,221,019.38 and 154,645,410

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Solution

The fourth proportional to 548,115,136.89, 822,221,019.38 and 154,645,410 is: 231,981,746.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,115,136.89 : 822,221,019.38 = 154,645,410 : x
  2. Step 2: Convert to fraction form
    548,115,136.89/822,221,019.38 = 154,645,410/x
  3. Step 3: Cross multiply
    548,115,136.89x = 822,221,019.38 × 154,645,410
  4. Step 4: Simplify right side
    548,115,136.89x = 127,152,706,651,864,816
  5. Step 5: Solve for x
    x = 127,152,706,651,864,816/548,115,136.89
  6. Step 6: Final answer
    x = 231,981,746.34

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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.