Home / 2,150,084,886.71-3,221,841,915.38-1,447,980,909.77

Finding the Fourth Proportional to 2,150,084,886.71, 3,221,841,915.38 and 1,447,980,909.77

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Solution

The fourth proportional to 2,150,084,886.71, 3,221,841,915.38 and 1,447,980,909.77 is: 2,169,758,792.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150,084,886.71 : 3,221,841,915.38 = 1,447,980,909.77 : x
  2. Step 2: Convert to fraction form
    2,150,084,886.71/3,221,841,915.38 = 1,447,980,909.77/x
  3. Step 3: Cross multiply
    2,150,084,886.71x = 3,221,841,915.38 × 1,447,980,909.77
  4. Step 4: Simplify right side
    2,150,084,886.71x = 4,665,165,587,778,726,912
  5. Step 5: Solve for x
    x = 4,665,165,587,778,726,912/2,150,084,886.71
  6. Step 6: Final answer
    x = 2,169,758,792.61

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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.