Home / 664,344,540.60-996,516,810.90-631,088,143.80

Finding the Fourth Proportional to 664,344,540.60, 996,516,810.90 and 631,088,143.80

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Solution

The fourth proportional to 664,344,540.60, 996,516,810.90 and 631,088,143.80 is: 946,632,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,344,540.60 : 996,516,810.90 = 631,088,143.80 : x
  2. Step 2: Convert to fraction form
    664,344,540.60/996,516,810.90 = 631,088,143.80/x
  3. Step 3: Cross multiply
    664,344,540.60x = 996,516,810.90 × 631,088,143.80
  4. Step 4: Simplify right side
    664,344,540.60x = 628,889,944,456,376,576
  5. Step 5: Solve for x
    x = 628,889,944,456,376,576/664,344,540.60
  6. Step 6: Final answer
    x = 946,632,215.70

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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.