Home / 664,675,349.93-996,121,822.19-517,300,868.69

Finding the Fourth Proportional to 664,675,349.93, 996,121,822.19 and 517,300,868.69

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Solution

The fourth proportional to 664,675,349.93, 996,121,822.19 and 517,300,868.69 is: 775,257,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,675,349.93 : 996,121,822.19 = 517,300,868.69 : x
  2. Step 2: Convert to fraction form
    664,675,349.93/996,121,822.19 = 517,300,868.69/x
  3. Step 3: Cross multiply
    664,675,349.93x = 996,121,822.19 × 517,300,868.69
  4. Step 4: Simplify right side
    664,675,349.93x = 515,294,683,932,385,600
  5. Step 5: Solve for x
    x = 515,294,683,932,385,600/664,675,349.93
  6. Step 6: Final answer
    x = 775,257,701.36

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Why These Related Problems?

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