Home / 838,818,782.28-1,258,227,084.78-225,403,021.80

Finding the Fourth Proportional to 838,818,782.28, 1,258,227,084.78 and 225,403,021.80

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Solution

The fourth proportional to 838,818,782.28, 1,258,227,084.78 and 225,403,021.80 is: 338,104,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,818,782.28 : 1,258,227,084.78 = 225,403,021.80 : x
  2. Step 2: Convert to fraction form
    838,818,782.28/1,258,227,084.78 = 225,403,021.80/x
  3. Step 3: Cross multiply
    838,818,782.28x = 1,258,227,084.78 × 225,403,021.80
  4. Step 4: Simplify right side
    838,818,782.28x = 283,608,187,020,016,800
  5. Step 5: Solve for x
    x = 283,608,187,020,016,800/838,818,782.28
  6. Step 6: Final answer
    x = 338,104,240.17

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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.