Home / 1,648,767,977.31-2,474,378,003.85-666,203,060.25

Finding the Fourth Proportional to 1,648,767,977.31, 2,474,378,003.85 and 666,203,060.25

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Solution

The fourth proportional to 1,648,767,977.31, 2,474,378,003.85 and 666,203,060.25 is: 999,799,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,767,977.31 : 2,474,378,003.85 = 666,203,060.25 : x
  2. Step 2: Convert to fraction form
    1,648,767,977.31/2,474,378,003.85 = 666,203,060.25/x
  3. Step 3: Cross multiply
    1,648,767,977.31x = 2,474,378,003.85 × 666,203,060.25
  4. Step 4: Simplify right side
    1,648,767,977.31x = 1,648,438,198,380,156,160
  5. Step 5: Solve for x
    x = 1,648,438,198,380,156,160/1,648,767,977.31
  6. Step 6: Final answer
    x = 999,799,984.63

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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.