Home / 656,933,905.16-985,275,275.28-196,872,074.48

Finding the Fourth Proportional to 656,933,905.16, 985,275,275.28 and 196,872,074.48

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Solution

The fourth proportional to 656,933,905.16, 985,275,275.28 and 196,872,074.48 is: 295,270,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,933,905.16 : 985,275,275.28 = 196,872,074.48 : x
  2. Step 2: Convert to fraction form
    656,933,905.16/985,275,275.28 = 196,872,074.48/x
  3. Step 3: Cross multiply
    656,933,905.16x = 985,275,275.28 × 196,872,074.48
  4. Step 4: Simplify right side
    656,933,905.16x = 193,973,187,378,226,656
  5. Step 5: Solve for x
    x = 193,973,187,378,226,656/656,933,905.16
  6. Step 6: Final answer
    x = 295,270,476.76

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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.