Home / 383,632,373.80-575,448,560.70-168,221,621.80

Finding the Fourth Proportional to 383,632,373.80, 575,448,560.70 and 168,221,621.80

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Solution

The fourth proportional to 383,632,373.80, 575,448,560.70 and 168,221,621.80 is: 252,332,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,632,373.80 : 575,448,560.70 = 168,221,621.80 : x
  2. Step 2: Convert to fraction form
    383,632,373.80/575,448,560.70 = 168,221,621.80/x
  3. Step 3: Cross multiply
    383,632,373.80x = 575,448,560.70 × 168,221,621.80
  4. Step 4: Simplify right side
    383,632,373.80x = 96,802,890,143,429,760
  5. Step 5: Solve for x
    x = 96,802,890,143,429,760/383,632,373.80
  6. Step 6: Final answer
    x = 252,332,432.70

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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.