Home / 473,040,282.30-709,560,423.45-128,047,155.90

Finding the Fourth Proportional to 473,040,282.30, 709,560,423.45 and 128,047,155.90

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Solution

The fourth proportional to 473,040,282.30, 709,560,423.45 and 128,047,155.90 is: 192,070,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,040,282.30 : 709,560,423.45 = 128,047,155.90 : x
  2. Step 2: Convert to fraction form
    473,040,282.30/709,560,423.45 = 128,047,155.90/x
  3. Step 3: Cross multiply
    473,040,282.30x = 709,560,423.45 × 128,047,155.90
  4. Step 4: Simplify right side
    473,040,282.30x = 90,857,194,161,972,176
  5. Step 5: Solve for x
    x = 90,857,194,161,972,176/473,040,282.30
  6. Step 6: Final answer
    x = 192,070,733.85

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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.