Home / 2,116,965,815.56-2,921,415,229.38-1,177,148,279.80

Finding the Fourth Proportional to 2,116,965,815.56, 2,921,415,229.38 and 1,177,148,279.80

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Solution

The fourth proportional to 2,116,965,815.56, 2,921,415,229.38 and 1,177,148,279.80 is: 1,624,465,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,965,815.56 : 2,921,415,229.38 = 1,177,148,279.80 : x
  2. Step 2: Convert to fraction form
    2,116,965,815.56/2,921,415,229.38 = 1,177,148,279.80/x
  3. Step 3: Cross multiply
    2,116,965,815.56x = 2,921,415,229.38 × 1,177,148,279.80
  4. Step 4: Simplify right side
    2,116,965,815.56x = 3,438,938,911,846,189,568
  5. Step 5: Solve for x
    x = 3,438,938,911,846,189,568/2,116,965,815.56
  6. Step 6: Final answer
    x = 1,624,465,962.83

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1.5x scale

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.