Home / 1,276,487,590.20-1,914,794,370.90-664,267,558.20

Finding the Fourth Proportional to 1,276,487,590.20, 1,914,794,370.90 and 664,267,558.20

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Solution

The fourth proportional to 1,276,487,590.20, 1,914,794,370.90 and 664,267,558.20 is: 996,434,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,487,590.20 : 1,914,794,370.90 = 664,267,558.20 : x
  2. Step 2: Convert to fraction form
    1,276,487,590.20/1,914,794,370.90 = 664,267,558.20/x
  3. Step 3: Cross multiply
    1,276,487,590.20x = 1,914,794,370.90 × 664,267,558.20
  4. Step 4: Simplify right side
    1,276,487,590.20x = 1,271,935,781,212,848,384
  5. Step 5: Solve for x
    x = 1,271,935,781,212,848,384/1,276,487,590.20
  6. Step 6: Final answer
    x = 996,434,114.19

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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.