Home / 1,359,909,375.40-2,039,864,063.10-440,445,586.60

Finding the Fourth Proportional to 1,359,909,375.40, 2,039,864,063.10 and 440,445,586.60

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Solution

The fourth proportional to 1,359,909,375.40, 2,039,864,063.10 and 440,445,586.60 is: 660,668,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,909,375.40 : 2,039,864,063.10 = 440,445,586.60 : x
  2. Step 2: Convert to fraction form
    1,359,909,375.40/2,039,864,063.10 = 440,445,586.60/x
  3. Step 3: Cross multiply
    1,359,909,375.40x = 2,039,864,063.10 × 440,445,586.60
  4. Step 4: Simplify right side
    1,359,909,375.40x = 898,449,123,856,338,944
  5. Step 5: Solve for x
    x = 898,449,123,856,338,944/1,359,909,375.40
  6. Step 6: Final answer
    x = 660,668,379.90

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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.