Home / 1,041,287,575.32-1,436,972,911.92-571,396,759.68

Finding the Fourth Proportional to 1,041,287,575.32, 1,436,972,911.92 and 571,396,759.68

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Solution

The fourth proportional to 1,041,287,575.32, 1,436,972,911.92 and 571,396,759.68 is: 788,525,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,287,575.32 : 1,436,972,911.92 = 571,396,759.68 : x
  2. Step 2: Convert to fraction form
    1,041,287,575.32/1,436,972,911.92 = 571,396,759.68/x
  3. Step 3: Cross multiply
    1,041,287,575.32x = 1,436,972,911.92 × 571,396,759.68
  4. Step 4: Simplify right side
    1,041,287,575.32x = 821,081,665,619,021,952
  5. Step 5: Solve for x
    x = 821,081,665,619,021,952/1,041,287,575.32
  6. Step 6: Final answer
    x = 788,525,365.21

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Double scale
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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.