Home / 3,452,555,436.80-5,178,833,155.20-3,428,368,966.40

Finding the Fourth Proportional to 3,452,555,436.80, 5,178,833,155.20 and 3,428,368,966.40

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Solution

The fourth proportional to 3,452,555,436.80, 5,178,833,155.20 and 3,428,368,966.40 is: 5,142,553,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452,555,436.80 : 5,178,833,155.20 = 3,428,368,966.40 : x
  2. Step 2: Convert to fraction form
    3,452,555,436.80/5,178,833,155.20 = 3,428,368,966.40/x
  3. Step 3: Cross multiply
    3,452,555,436.80x = 5,178,833,155.20 × 3,428,368,966.40
  4. Step 4: Simplify right side
    3,452,555,436.80x = 17,754,950,871,451,074,560
  5. Step 5: Solve for x
    x = 17,754,950,871,451,074,560/3,452,555,436.80
  6. Step 6: Final answer
    x = 5,142,553,449.60

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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.