Home / 741,307,517.38-1,023,001,566.62-406,785,636.79

Finding the Fourth Proportional to 741,307,517.38, 1,023,001,566.62 and 406,785,636.79

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Solution

The fourth proportional to 741,307,517.38, 1,023,001,566.62 and 406,785,636.79 is: 561,362,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,307,517.38 : 1,023,001,566.62 = 406,785,636.79 : x
  2. Step 2: Convert to fraction form
    741,307,517.38/1,023,001,566.62 = 406,785,636.79/x
  3. Step 3: Cross multiply
    741,307,517.38x = 1,023,001,566.62 × 406,785,636.79
  4. Step 4: Simplify right side
    741,307,517.38x = 416,142,343,710,092,928
  5. Step 5: Solve for x
    x = 416,142,343,710,092,928/741,307,517.38
  6. Step 6: Final answer
    x = 561,362,638.25

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Double scale
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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.