Home / 656,933,895.16-985,275,260.30-196,872,064.46

Finding the Fourth Proportional to 656,933,895.16, 985,275,260.30 and 196,872,064.46

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Solution

The fourth proportional to 656,933,895.16, 985,275,260.30 and 196,872,064.46 is: 295,270,461.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,933,895.16 : 985,275,260.30 = 196,872,064.46 : x
  2. Step 2: Convert to fraction form
    656,933,895.16/985,275,260.30 = 196,872,064.46/x
  3. Step 3: Cross multiply
    656,933,895.16x = 985,275,260.30 × 196,872,064.46
  4. Step 4: Simplify right side
    656,933,895.16x = 193,973,174,556,624,864
  5. Step 5: Solve for x
    x = 193,973,174,556,624,864/656,933,895.16
  6. Step 6: Final answer
    x = 295,270,461.74

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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.