Home / 681,704,358.60-1,022,556,537.90-646,768,345.80

Finding the Fourth Proportional to 681,704,358.60, 1,022,556,537.90 and 646,768,345.80

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Solution

The fourth proportional to 681,704,358.60, 1,022,556,537.90 and 646,768,345.80 is: 970,152,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,704,358.60 : 1,022,556,537.90 = 646,768,345.80 : x
  2. Step 2: Convert to fraction form
    681,704,358.60/1,022,556,537.90 = 646,768,345.80/x
  3. Step 3: Cross multiply
    681,704,358.60x = 1,022,556,537.90 × 646,768,345.80
  4. Step 4: Simplify right side
    681,704,358.60x = 661,357,200,504,557,952
  5. Step 5: Solve for x
    x = 661,357,200,504,557,952/681,704,358.60
  6. Step 6: Final answer
    x = 970,152,518.70

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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.