Home / 819,766,337.62-1,229,649,459.73-229,643,947.61

Finding the Fourth Proportional to 819,766,337.62, 1,229,649,459.73 and 229,643,947.61

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Solution

The fourth proportional to 819,766,337.62, 1,229,649,459.73 and 229,643,947.61 is: 344,465,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,766,337.62 : 1,229,649,459.73 = 229,643,947.61 : x
  2. Step 2: Convert to fraction form
    819,766,337.62/1,229,649,459.73 = 229,643,947.61/x
  3. Step 3: Cross multiply
    819,766,337.62x = 1,229,649,459.73 × 229,643,947.61
  4. Step 4: Simplify right side
    819,766,337.62x = 282,381,556,113,700,352
  5. Step 5: Solve for x
    x = 282,381,556,113,700,352/819,766,337.62
  6. Step 6: Final answer
    x = 344,465,908.34

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1.5x scale

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.