Home / 3,643,555,784.68-5,467,350,370.78-1,778,216,931.88

Finding the Fourth Proportional to 3,643,555,784.68, 5,467,350,370.78 and 1,778,216,931.88

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Solution

The fourth proportional to 3,643,555,784.68, 5,467,350,370.78 and 1,778,216,931.88 is: 2,668,309,633.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,555,784.68 : 5,467,350,370.78 = 1,778,216,931.88 : x
  2. Step 2: Convert to fraction form
    3,643,555,784.68/5,467,350,370.78 = 1,778,216,931.88/x
  3. Step 3: Cross multiply
    3,643,555,784.68x = 5,467,350,370.78 × 1,778,216,931.88
  4. Step 4: Simplify right side
    3,643,555,784.68x = 9,722,135,001,841,391,616
  5. Step 5: Solve for x
    x = 9,722,135,001,841,391,616/3,643,555,784.68
  6. Step 6: Final answer
    x = 2,668,309,633.88

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1.5x scale

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.