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Finding the Fourth Proportional to 709,507,295.44, 972,008,745.58 and 682,980,472.60

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Solution

The fourth proportional to 709,507,295.44, 972,008,745.58 and 682,980,472.60 is: 935,667,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,507,295.44 : 972,008,745.58 = 682,980,472.60 : x
  2. Step 2: Convert to fraction form
    709,507,295.44/972,008,745.58 = 682,980,472.60/x
  3. Step 3: Cross multiply
    709,507,295.44x = 972,008,745.58 × 682,980,472.60
  4. Step 4: Simplify right side
    709,507,295.44x = 663,862,992,427,561,600
  5. Step 5: Solve for x
    x = 663,862,992,427,561,600/709,507,295.44
  6. Step 6: Final answer
    x = 935,667,605.81

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.