Home / 3,838,428,494.80-5,757,642,742.20-3,218,555,712.40

Finding the Fourth Proportional to 3,838,428,494.80, 5,757,642,742.20 and 3,218,555,712.40

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Solution

The fourth proportional to 3,838,428,494.80, 5,757,642,742.20 and 3,218,555,712.40 is: 4,827,833,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,428,494.80 : 5,757,642,742.20 = 3,218,555,712.40 : x
  2. Step 2: Convert to fraction form
    3,838,428,494.80/5,757,642,742.20 = 3,218,555,712.40/x
  3. Step 3: Cross multiply
    3,838,428,494.80x = 5,757,642,742.20 × 3,218,555,712.40
  4. Step 4: Simplify right side
    3,838,428,494.80x = 18,531,293,937,866,211,328
  5. Step 5: Solve for x
    x = 18,531,293,937,866,211,328/3,838,428,494.80
  6. Step 6: Final answer
    x = 4,827,833,568.60

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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.