Home / 722,195,037.87-996,614,917.52-424,869,413.55

Finding the Fourth Proportional to 722,195,037.87, 996,614,917.52 and 424,869,413.55

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Solution

The fourth proportional to 722,195,037.87, 996,614,917.52 and 424,869,413.55 is: 586,311,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,195,037.87 : 996,614,917.52 = 424,869,413.55 : x
  2. Step 2: Convert to fraction form
    722,195,037.87/996,614,917.52 = 424,869,413.55/x
  3. Step 3: Cross multiply
    722,195,037.87x = 996,614,917.52 × 424,869,413.55
  4. Step 4: Simplify right side
    722,195,037.87x = 423,431,195,539,779,648
  5. Step 5: Solve for x
    x = 423,431,195,539,779,648/722,195,037.87
  6. Step 6: Final answer
    x = 586,311,416.36

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Double scale
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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.