Home / 681,704,357.10-1,022,556,535.65-646,768,344.30

Finding the Fourth Proportional to 681,704,357.10, 1,022,556,535.65 and 646,768,344.30

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Solution

The fourth proportional to 681,704,357.10, 1,022,556,535.65 and 646,768,344.30 is: 970,152,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,704,357.10 : 1,022,556,535.65 = 646,768,344.30 : x
  2. Step 2: Convert to fraction form
    681,704,357.10/1,022,556,535.65 = 646,768,344.30/x
  3. Step 3: Cross multiply
    681,704,357.10x = 1,022,556,535.65 × 646,768,344.30
  4. Step 4: Simplify right side
    681,704,357.10x = 661,357,197,515,494,400
  5. Step 5: Solve for x
    x = 661,357,197,515,494,400/681,704,357.10
  6. Step 6: Final answer
    x = 970,152,516.45

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Double scale
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Similar ratio
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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.