Home / 852,679,612.87-1,176,632,192.77-481,438,287.43

Finding the Fourth Proportional to 852,679,612.87, 1,176,632,192.77 and 481,438,287.43

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Solution

The fourth proportional to 852,679,612.87, 1,176,632,192.77 and 481,438,287.43 is: 664,347,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,679,612.87 : 1,176,632,192.77 = 481,438,287.43 : x
  2. Step 2: Convert to fraction form
    852,679,612.87/1,176,632,192.77 = 481,438,287.43/x
  3. Step 3: Cross multiply
    852,679,612.87x = 1,176,632,192.77 × 481,438,287.43
  4. Step 4: Simplify right side
    852,679,612.87x = 566,475,787,822,194,432
  5. Step 5: Solve for x
    x = 566,475,787,822,194,432/852,679,612.87
  6. Step 6: Final answer
    x = 664,347,756.50

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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.