Home / 2,178,254,426.20-3,267,381,639.30-542,479,028.20

Finding the Fourth Proportional to 2,178,254,426.20, 3,267,381,639.30 and 542,479,028.20

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Solution

The fourth proportional to 2,178,254,426.20, 3,267,381,639.30 and 542,479,028.20 is: 813,718,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,254,426.20 : 3,267,381,639.30 = 542,479,028.20 : x
  2. Step 2: Convert to fraction form
    2,178,254,426.20/3,267,381,639.30 = 542,479,028.20/x
  3. Step 3: Cross multiply
    2,178,254,426.20x = 3,267,381,639.30 × 542,479,028.20
  4. Step 4: Simplify right side
    2,178,254,426.20x = 1,772,486,016,445,987,072
  5. Step 5: Solve for x
    x = 1,772,486,016,445,987,072/2,178,254,426.20
  6. Step 6: Final answer
    x = 813,718,542.30

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Double scale
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Similar ratio
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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.