Home / 708,589,067.70-1,062,883,601.55-648,323,658.30

Finding the Fourth Proportional to 708,589,067.70, 1,062,883,601.55 and 648,323,658.30

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Solution

The fourth proportional to 708,589,067.70, 1,062,883,601.55 and 648,323,658.30 is: 972,485,487.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,067.70 : 1,062,883,601.55 = 648,323,658.30 : x
  2. Step 2: Convert to fraction form
    708,589,067.70/1,062,883,601.55 = 648,323,658.30/x
  3. Step 3: Cross multiply
    708,589,067.70x = 1,062,883,601.55 × 648,323,658.30
  4. Step 4: Simplify right side
    708,589,067.70x = 689,092,584,903,975,424
  5. Step 5: Solve for x
    x = 689,092,584,903,975,424/708,589,067.70
  6. Step 6: Final answer
    x = 972,485,487.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.