Home / 819,766,337.18-1,229,649,459.08-229,643,947.21

Finding the Fourth Proportional to 819,766,337.18, 1,229,649,459.08 and 229,643,947.21

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Solution

The fourth proportional to 819,766,337.18, 1,229,649,459.08 and 229,643,947.21 is: 344,465,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,766,337.18 : 1,229,649,459.08 = 229,643,947.21 : x
  2. Step 2: Convert to fraction form
    819,766,337.18/1,229,649,459.08 = 229,643,947.21/x
  3. Step 3: Cross multiply
    819,766,337.18x = 1,229,649,459.08 × 229,643,947.21
  4. Step 4: Simplify right side
    819,766,337.18x = 282,381,555,460,476,128
  5. Step 5: Solve for x
    x = 282,381,555,460,476,128/819,766,337.18
  6. Step 6: Final answer
    x = 344,465,907.73

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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.