Home / 1,778,791,622.40-2,454,732,668.16-985,888,789.92

Finding the Fourth Proportional to 1,778,791,622.40, 2,454,732,668.16 and 985,888,789.92

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Solution

The fourth proportional to 1,778,791,622.40, 2,454,732,668.16 and 985,888,789.92 is: 1,360,526,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,791,622.40 : 2,454,732,668.16 = 985,888,789.92 : x
  2. Step 2: Convert to fraction form
    1,778,791,622.40/2,454,732,668.16 = 985,888,789.92/x
  3. Step 3: Cross multiply
    1,778,791,622.40x = 2,454,732,668.16 × 985,888,789.92
  4. Step 4: Simplify right side
    1,778,791,622.40x = 2,420,093,419,789,355,008
  5. Step 5: Solve for x
    x = 2,420,093,419,789,355,008/1,778,791,622.40
  6. Step 6: Final answer
    x = 1,360,526,657.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.