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Finding the Fourth Proportional to 695,928,628.44, 959,489,986.32 and 570,016,973.16

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Solution

The fourth proportional to 695,928,628.44, 959,489,986.32 and 570,016,973.16 is: 785,893,201.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,928,628.44 : 959,489,986.32 = 570,016,973.16 : x
  2. Step 2: Convert to fraction form
    695,928,628.44/959,489,986.32 = 570,016,973.16/x
  3. Step 3: Cross multiply
    695,928,628.44x = 959,489,986.32 × 570,016,973.16
  4. Step 4: Simplify right side
    695,928,628.44x = 546,925,577,779,456,192
  5. Step 5: Solve for x
    x = 546,925,577,779,456,192/695,928,628.44
  6. Step 6: Final answer
    x = 785,893,201.44

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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.