Home / 1,359,905,375.40-2,039,858,063.10-439,874,716.20

Finding the Fourth Proportional to 1,359,905,375.40, 2,039,858,063.10 and 439,874,716.20

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Solution

The fourth proportional to 1,359,905,375.40, 2,039,858,063.10 and 439,874,716.20 is: 659,812,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,905,375.40 : 2,039,858,063.10 = 439,874,716.20 : x
  2. Step 2: Convert to fraction form
    1,359,905,375.40/2,039,858,063.10 = 439,874,716.20/x
  3. Step 3: Cross multiply
    1,359,905,375.40x = 2,039,858,063.10 × 439,874,716.20
  4. Step 4: Simplify right side
    1,359,905,375.40x = 897,281,986,594,394,112
  5. Step 5: Solve for x
    x = 897,281,986,594,394,112/1,359,905,375.40
  6. Step 6: Final answer
    x = 659,812,074.30

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Double scale
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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.