Home / 2,646,510,449.60-3,969,765,674.40-2,605,695,780.80

Finding the Fourth Proportional to 2,646,510,449.60, 3,969,765,674.40 and 2,605,695,780.80

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Solution

The fourth proportional to 2,646,510,449.60, 3,969,765,674.40 and 2,605,695,780.80 is: 3,908,543,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,510,449.60 : 3,969,765,674.40 = 2,605,695,780.80 : x
  2. Step 2: Convert to fraction form
    2,646,510,449.60/3,969,765,674.40 = 2,605,695,780.80/x
  3. Step 3: Cross multiply
    2,646,510,449.60x = 3,969,765,674.40 × 2,605,695,780.80
  4. Step 4: Simplify right side
    2,646,510,449.60x = 10,344,001,668,548,747,264
  5. Step 5: Solve for x
    x = 10,344,001,668,548,747,264/2,646,510,449.60
  6. Step 6: Final answer
    x = 3,908,543,671.20

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Double scale
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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.