Home / 1,856,507,995.80-2,783,805,399.90-691,376,747.40

Finding the Fourth Proportional to 1,856,507,995.80, 2,783,805,399.90 and 691,376,747.40

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Solution

The fourth proportional to 1,856,507,995.80, 2,783,805,399.90 and 691,376,747.40 is: 1,036,708,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,507,995.80 : 2,783,805,399.90 = 691,376,747.40 : x
  2. Step 2: Convert to fraction form
    1,856,507,995.80/2,783,805,399.90 = 691,376,747.40/x
  3. Step 3: Cross multiply
    1,856,507,995.80x = 2,783,805,399.90 × 691,376,747.40
  4. Step 4: Simplify right side
    1,856,507,995.80x = 1,924,658,322,777,418,240
  5. Step 5: Solve for x
    x = 1,924,658,322,777,418,240/1,856,507,995.80
  6. Step 6: Final answer
    x = 1,036,708,878.78

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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.