Home / 497,665,643.70-746,871,713.55-255,203,742.90

Finding the Fourth Proportional to 497,665,643.70, 746,871,713.55 and 255,203,742.90

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Solution

The fourth proportional to 497,665,643.70, 746,871,713.55 and 255,203,742.90 is: 382,997,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,665,643.70 : 746,871,713.55 = 255,203,742.90 : x
  2. Step 2: Convert to fraction form
    497,665,643.70/746,871,713.55 = 255,203,742.90/x
  3. Step 3: Cross multiply
    497,665,643.70x = 746,871,713.55 × 255,203,742.90
  4. Step 4: Simplify right side
    497,665,643.70x = 190,604,456,764,096,640
  5. Step 5: Solve for x
    x = 190,604,456,764,096,640/497,665,643.70
  6. Step 6: Final answer
    x = 382,997,016.53

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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.