Home / 715,432,510.80-1,073,148,766.20-409,322,494.80

Finding the Fourth Proportional to 715,432,510.80, 1,073,148,766.20 and 409,322,494.80

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Solution

The fourth proportional to 715,432,510.80, 1,073,148,766.20 and 409,322,494.80 is: 613,983,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,432,510.80 : 1,073,148,766.20 = 409,322,494.80 : x
  2. Step 2: Convert to fraction form
    715,432,510.80/1,073,148,766.20 = 409,322,494.80/x
  3. Step 3: Cross multiply
    715,432,510.80x = 1,073,148,766.20 × 409,322,494.80
  4. Step 4: Simplify right side
    715,432,510.80x = 439,263,930,272,525,952
  5. Step 5: Solve for x
    x = 439,263,930,272,525,952/715,432,510.80
  6. Step 6: Final answer
    x = 613,983,742.20

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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.