Home / 2,680,644,200.80-4,021,092,272.40-840,456,911.20

Finding the Fourth Proportional to 2,680,644,200.80, 4,021,092,272.40 and 840,456,911.20

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Solution

The fourth proportional to 2,680,644,200.80, 4,021,092,272.40 and 840,456,911.20 is: 1,260,724,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,644,200.80 : 4,021,092,272.40 = 840,456,911.20 : x
  2. Step 2: Convert to fraction form
    2,680,644,200.80/4,021,092,272.40 = 840,456,911.20/x
  3. Step 3: Cross multiply
    2,680,644,200.80x = 4,021,092,272.40 × 840,456,911.20
  4. Step 4: Simplify right side
    2,680,644,200.80x = 3,379,554,790,911,493,120
  5. Step 5: Solve for x
    x = 3,379,554,790,911,493,120/2,680,644,200.80
  6. Step 6: Final answer
    x = 1,260,724,862.29

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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.