Home / 6,278,724,000.40-9,418,086,000.60-4,419,105,653.20

Finding the Fourth Proportional to 6,278,724,000.40, 9,418,086,000.60 and 4,419,105,653.20

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Solution

The fourth proportional to 6,278,724,000.40, 9,418,086,000.60 and 4,419,105,653.20 is: 6,628,658,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278,724,000.40 : 9,418,086,000.60 = 4,419,105,653.20 : x
  2. Step 2: Convert to fraction form
    6,278,724,000.40/9,418,086,000.60 = 4,419,105,653.20/x
  3. Step 3: Cross multiply
    6,278,724,000.40x = 9,418,086,000.60 × 4,419,105,653.20
  4. Step 4: Simplify right side
    6,278,724,000.40x = 41,619,517,087,575,236,608
  5. Step 5: Solve for x
    x = 41,619,517,087,575,236,608/6,278,724,000.40
  6. Step 6: Final answer
    x = 6,628,658,479.80

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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.