Home / 1,359,915,423.40-2,039,873,135.10-440,451,634.60

Finding the Fourth Proportional to 1,359,915,423.40, 2,039,873,135.10 and 440,451,634.60

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Solution

The fourth proportional to 1,359,915,423.40, 2,039,873,135.10 and 440,451,634.60 is: 660,677,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,915,423.40 : 2,039,873,135.10 = 440,451,634.60 : x
  2. Step 2: Convert to fraction form
    1,359,915,423.40/2,039,873,135.10 = 440,451,634.60/x
  3. Step 3: Cross multiply
    1,359,915,423.40x = 2,039,873,135.10 × 440,451,634.60
  4. Step 4: Simplify right side
    1,359,915,423.40x = 898,465,456,731,421,696
  5. Step 5: Solve for x
    x = 898,465,456,731,421,696/1,359,915,423.40
  6. Step 6: Final answer
    x = 660,677,451.90

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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.