Home / 7,128,650,179.80-10,692,496,972.80-1,888,145,908.20

Finding the Fourth Proportional to 7,128,650,179.80, 10,692,496,972.80 and 1,888,145,908.20

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Solution

The fourth proportional to 7,128,650,179.80, 10,692,496,972.80 and 1,888,145,908.20 is: 2,832,092,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,650,179.80 : 10,692,496,972.80 = 1,888,145,908.20 : x
  2. Step 2: Convert to fraction form
    7,128,650,179.80/10,692,496,972.80 = 1,888,145,908.20/x
  3. Step 3: Cross multiply
    7,128,650,179.80x = 10,692,496,972.80 × 1,888,145,908.20
  4. Step 4: Simplify right side
    7,128,650,179.80x = 20,188,994,407,633,207,296
  5. Step 5: Solve for x
    x = 20,188,994,407,633,207,296/7,128,650,179.80
  6. Step 6: Final answer
    x = 2,832,092,177.12

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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.