Home / 2,688,057,107.20-4,032,085,660.80-847,995,788.80

Finding the Fourth Proportional to 2,688,057,107.20, 4,032,085,660.80 and 847,995,788.80

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Solution

The fourth proportional to 2,688,057,107.20, 4,032,085,660.80 and 847,995,788.80 is: 1,271,993,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,057,107.20 : 4,032,085,660.80 = 847,995,788.80 : x
  2. Step 2: Convert to fraction form
    2,688,057,107.20/4,032,085,660.80 = 847,995,788.80/x
  3. Step 3: Cross multiply
    2,688,057,107.20x = 4,032,085,660.80 × 847,995,788.80
  4. Step 4: Simplify right side
    2,688,057,107.20x = 3,419,191,660,439,265,280
  5. Step 5: Solve for x
    x = 3,419,191,660,439,265,280/2,688,057,107.20
  6. Step 6: Final answer
    x = 1,271,993,683.20

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Double scale
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Similar ratio
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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.