Home / 669,222,201.20-1,003,833,301.80-650,090,325.20

Finding the Fourth Proportional to 669,222,201.20, 1,003,833,301.80 and 650,090,325.20

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Solution

The fourth proportional to 669,222,201.20, 1,003,833,301.80 and 650,090,325.20 is: 975,135,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,222,201.20 : 1,003,833,301.80 = 650,090,325.20 : x
  2. Step 2: Convert to fraction form
    669,222,201.20/1,003,833,301.80 = 650,090,325.20/x
  3. Step 3: Cross multiply
    669,222,201.20x = 1,003,833,301.80 × 650,090,325.20
  4. Step 4: Simplify right side
    669,222,201.20x = 652,582,317,613,751,808
  5. Step 5: Solve for x
    x = 652,582,317,613,751,808/669,222,201.20
  6. Step 6: Final answer
    x = 975,135,487.80

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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.