Home / 557,235,380.80-835,853,071.20-148,332,865.60

Finding the Fourth Proportional to 557,235,380.80, 835,853,071.20 and 148,332,865.60

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Solution

The fourth proportional to 557,235,380.80, 835,853,071.20 and 148,332,865.60 is: 222,499,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,235,380.80 : 835,853,071.20 = 148,332,865.60 : x
  2. Step 2: Convert to fraction form
    557,235,380.80/835,853,071.20 = 148,332,865.60/x
  3. Step 3: Cross multiply
    557,235,380.80x = 835,853,071.20 × 148,332,865.60
  4. Step 4: Simplify right side
    557,235,380.80x = 123,984,481,271,656,832
  5. Step 5: Solve for x
    x = 123,984,481,271,656,832/557,235,380.80
  6. Step 6: Final answer
    x = 222,499,298.40

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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.