Home / 664,301,511.90-996,452,267.85-660,475,136.70

Finding the Fourth Proportional to 664,301,511.90, 996,452,267.85 and 660,475,136.70

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Solution

The fourth proportional to 664,301,511.90, 996,452,267.85 and 660,475,136.70 is: 990,712,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,301,511.90 : 996,452,267.85 = 660,475,136.70 : x
  2. Step 2: Convert to fraction form
    664,301,511.90/996,452,267.85 = 660,475,136.70/x
  3. Step 3: Cross multiply
    664,301,511.90x = 996,452,267.85 × 660,475,136.70
  4. Step 4: Simplify right side
    664,301,511.90x = 658,131,947,823,253,888
  5. Step 5: Solve for x
    x = 658,131,947,823,253,888/664,301,511.90
  6. Step 6: Final answer
    x = 990,712,705.05

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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.