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Finding the Fourth Proportional to 695,928,626.44, 959,489,983.56 and 570,016,971.16

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Solution

The fourth proportional to 695,928,626.44, 959,489,983.56 and 570,016,971.16 is: 785,893,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,928,626.44 : 959,489,983.56 = 570,016,971.16 : x
  2. Step 2: Convert to fraction form
    695,928,626.44/959,489,983.56 = 570,016,971.16/x
  3. Step 3: Cross multiply
    695,928,626.44x = 959,489,983.56 × 570,016,971.16
  4. Step 4: Simplify right side
    695,928,626.44x = 546,925,574,287,229,312
  5. Step 5: Solve for x
    x = 546,925,574,287,229,312/695,928,626.44
  6. Step 6: Final answer
    x = 785,893,198.68

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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.