Home / 2,688,057,166.20-4,032,085,749.30-847,995,847.80

Finding the Fourth Proportional to 2,688,057,166.20, 4,032,085,749.30 and 847,995,847.80

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Solution

The fourth proportional to 2,688,057,166.20, 4,032,085,749.30 and 847,995,847.80 is: 1,271,993,771.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,057,166.20 : 4,032,085,749.30 = 847,995,847.80 : x
  2. Step 2: Convert to fraction form
    2,688,057,166.20/4,032,085,749.30 = 847,995,847.80/x
  3. Step 3: Cross multiply
    2,688,057,166.20x = 4,032,085,749.30 × 847,995,847.80
  4. Step 4: Simplify right side
    2,688,057,166.20x = 3,419,191,973,379,951,616
  5. Step 5: Solve for x
    x = 3,419,191,973,379,951,616/2,688,057,166.20
  6. Step 6: Final answer
    x = 1,271,993,771.70

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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.