Home / 2,688,057,019.70-4,032,085,529.55-847,995,701.30

Finding the Fourth Proportional to 2,688,057,019.70, 4,032,085,529.55 and 847,995,701.30

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Solution

The fourth proportional to 2,688,057,019.70, 4,032,085,529.55 and 847,995,701.30 is: 1,271,993,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,057,019.70 : 4,032,085,529.55 = 847,995,701.30 : x
  2. Step 2: Convert to fraction form
    2,688,057,019.70/4,032,085,529.55 = 847,995,701.30/x
  3. Step 3: Cross multiply
    2,688,057,019.70x = 4,032,085,529.55 × 847,995,701.30
  4. Step 4: Simplify right side
    2,688,057,019.70x = 3,419,191,196,332,334,080
  5. Step 5: Solve for x
    x = 3,419,191,196,332,334,080/2,688,057,019.70
  6. Step 6: Final answer
    x = 1,271,993,551.95

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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.