Home / 2,101,631,569.20-3,152,447,353.80-1,328,703,778.80

Finding the Fourth Proportional to 2,101,631,569.20, 3,152,447,353.80 and 1,328,703,778.80

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Solution

The fourth proportional to 2,101,631,569.20, 3,152,447,353.80 and 1,328,703,778.80 is: 1,993,055,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,631,569.20 : 3,152,447,353.80 = 1,328,703,778.80 : x
  2. Step 2: Convert to fraction form
    2,101,631,569.20/3,152,447,353.80 = 1,328,703,778.80/x
  3. Step 3: Cross multiply
    2,101,631,569.20x = 3,152,447,353.80 × 1,328,703,778.80
  4. Step 4: Simplify right side
    2,101,631,569.20x = 4,188,668,711,462,120,448
  5. Step 5: Solve for x
    x = 4,188,668,711,462,120,448/2,101,631,569.20
  6. Step 6: Final answer
    x = 1,993,055,668.20

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1.5x scale

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.