Home / 1,099,693,816.20-1,649,540,724.30-409,458,245.40

Finding the Fourth Proportional to 1,099,693,816.20, 1,649,540,724.30 and 409,458,245.40

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Solution

The fourth proportional to 1,099,693,816.20, 1,649,540,724.30 and 409,458,245.40 is: 614,187,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,693,816.20 : 1,649,540,724.30 = 409,458,245.40 : x
  2. Step 2: Convert to fraction form
    1,099,693,816.20/1,649,540,724.30 = 409,458,245.40/x
  3. Step 3: Cross multiply
    1,099,693,816.20x = 1,649,540,724.30 × 409,458,245.40
  4. Step 4: Simplify right side
    1,099,693,816.20x = 675,418,050,687,723,136
  5. Step 5: Solve for x
    x = 675,418,050,687,723,136/1,099,693,816.20
  6. Step 6: Final answer
    x = 614,187,368.10

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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.