Home / 1,726,277,138.40-2,587,715,096.40-853,013,287.20

Finding the Fourth Proportional to 1,726,277,138.40, 2,587,715,096.40 and 853,013,287.20

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Solution

The fourth proportional to 1,726,277,138.40, 2,587,715,096.40 and 853,013,287.20 is: 1,278,679,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,277,138.40 : 2,587,715,096.40 = 853,013,287.20 : x
  2. Step 2: Convert to fraction form
    1,726,277,138.40/2,587,715,096.40 = 853,013,287.20/x
  3. Step 3: Cross multiply
    1,726,277,138.40x = 2,587,715,096.40 × 853,013,287.20
  4. Step 4: Simplify right side
    1,726,277,138.40x = 2,207,355,360,717,229,056
  5. Step 5: Solve for x
    x = 2,207,355,360,717,229,056/1,726,277,138.40
  6. Step 6: Final answer
    x = 1,278,679,599.94

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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.