Home / 2,688,057,015.70-4,032,085,523.55-847,995,697.30

Finding the Fourth Proportional to 2,688,057,015.70, 4,032,085,523.55 and 847,995,697.30

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Solution

The fourth proportional to 2,688,057,015.70, 4,032,085,523.55 and 847,995,697.30 is: 1,271,993,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,057,015.70 : 4,032,085,523.55 = 847,995,697.30 : x
  2. Step 2: Convert to fraction form
    2,688,057,015.70/4,032,085,523.55 = 847,995,697.30/x
  3. Step 3: Cross multiply
    2,688,057,015.70x = 4,032,085,523.55 × 847,995,697.30
  4. Step 4: Simplify right side
    2,688,057,015.70x = 3,419,191,175,116,017,664
  5. Step 5: Solve for x
    x = 3,419,191,175,116,017,664/2,688,057,015.70
  6. Step 6: Final answer
    x = 1,271,993,545.95

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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.