Home / 656,933,895.66-985,275,261.05-196,872,064.96

Finding the Fourth Proportional to 656,933,895.66, 985,275,261.05 and 196,872,064.96

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Solution

The fourth proportional to 656,933,895.66, 985,275,261.05 and 196,872,064.96 is: 295,270,462.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,933,895.66 : 985,275,261.05 = 196,872,064.96 : x
  2. Step 2: Convert to fraction form
    656,933,895.66/985,275,261.05 = 196,872,064.96/x
  3. Step 3: Cross multiply
    656,933,895.66x = 985,275,261.05 × 196,872,064.96
  4. Step 4: Simplify right side
    656,933,895.66x = 193,973,175,196,916,544
  5. Step 5: Solve for x
    x = 193,973,175,196,916,544/656,933,895.66
  6. Step 6: Final answer
    x = 295,270,462.49

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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.