Home / 2,688,057,079.20-4,032,085,618.80-847,995,760.80

Finding the Fourth Proportional to 2,688,057,079.20, 4,032,085,618.80 and 847,995,760.80

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Solution

The fourth proportional to 2,688,057,079.20, 4,032,085,618.80 and 847,995,760.80 is: 1,271,993,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,057,079.20 : 4,032,085,618.80 = 847,995,760.80 : x
  2. Step 2: Convert to fraction form
    2,688,057,079.20/4,032,085,618.80 = 847,995,760.80/x
  3. Step 3: Cross multiply
    2,688,057,079.20x = 4,032,085,618.80 × 847,995,760.80
  4. Step 4: Simplify right side
    2,688,057,079.20x = 3,419,191,511,925,044,736
  5. Step 5: Solve for x
    x = 3,419,191,511,925,044,736/2,688,057,079.20
  6. Step 6: Final answer
    x = 1,271,993,641.20

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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.