Home / 2,143,908,049.80-3,215,862,074.70-763,767,582.60

Finding the Fourth Proportional to 2,143,908,049.80, 3,215,862,074.70 and 763,767,582.60

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Solution

The fourth proportional to 2,143,908,049.80, 3,215,862,074.70 and 763,767,582.60 is: 1,145,651,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,908,049.80 : 3,215,862,074.70 = 763,767,582.60 : x
  2. Step 2: Convert to fraction form
    2,143,908,049.80/3,215,862,074.70 = 763,767,582.60/x
  3. Step 3: Cross multiply
    2,143,908,049.80x = 3,215,862,074.70 × 763,767,582.60
  4. Step 4: Simplify right side
    2,143,908,049.80x = 2,456,171,202,768,639,488
  5. Step 5: Solve for x
    x = 2,456,171,202,768,639,488/2,143,908,049.80
  6. Step 6: Final answer
    x = 1,145,651,373.90

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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.