Home / 822,073,619.40-1,233,110,429.10-667,105,423.80

Finding the Fourth Proportional to 822,073,619.40, 1,233,110,429.10 and 667,105,423.80

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Solution

The fourth proportional to 822,073,619.40, 1,233,110,429.10 and 667,105,423.80 is: 1,000,658,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,073,619.40 : 1,233,110,429.10 = 667,105,423.80 : x
  2. Step 2: Convert to fraction form
    822,073,619.40/1,233,110,429.10 = 667,105,423.80/x
  3. Step 3: Cross multiply
    822,073,619.40x = 1,233,110,429.10 × 667,105,423.80
  4. Step 4: Simplify right side
    822,073,619.40x = 822,614,655,396,955,264
  5. Step 5: Solve for x
    x = 822,614,655,396,955,264/822,073,619.40
  6. Step 6: Final answer
    x = 1,000,658,135.70

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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.