Home / 746,912,958.40-1,119,613,610.40-440,047,115.20

Finding the Fourth Proportional to 746,912,958.40, 1,119,613,610.40 and 440,047,115.20

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Solution

The fourth proportional to 746,912,958.40, 1,119,613,610.40 and 440,047,115.20 is: 659,625,373.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,912,958.40 : 1,119,613,610.40 = 440,047,115.20 : x
  2. Step 2: Convert to fraction form
    746,912,958.40/1,119,613,610.40 = 440,047,115.20/x
  3. Step 3: Cross multiply
    746,912,958.40x = 1,119,613,610.40 × 440,047,115.20
  4. Step 4: Simplify right side
    746,912,958.40x = 492,682,739,395,176,768
  5. Step 5: Solve for x
    x = 492,682,739,395,176,768/746,912,958.40
  6. Step 6: Final answer
    x = 659,625,373.82

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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.