Home / 7,128,650,136.80-10,692,496,908.30-1,888,145,865.20

Finding the Fourth Proportional to 7,128,650,136.80, 10,692,496,908.30 and 1,888,145,865.20

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Solution

The fourth proportional to 7,128,650,136.80, 10,692,496,908.30 and 1,888,145,865.20 is: 2,832,092,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,650,136.80 : 10,692,496,908.30 = 1,888,145,865.20 : x
  2. Step 2: Convert to fraction form
    7,128,650,136.80/10,692,496,908.30 = 1,888,145,865.20/x
  3. Step 3: Cross multiply
    7,128,650,136.80x = 10,692,496,908.30 × 1,888,145,865.20
  4. Step 4: Simplify right side
    7,128,650,136.80x = 20,188,993,826,070,425,600
  5. Step 5: Solve for x
    x = 20,188,993,826,070,425,600/7,128,650,136.80
  6. Step 6: Final answer
    x = 2,832,092,112.62

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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.