Home / 257,380,232.28-350,433,010.49-256,563,017.21

Finding the Fourth Proportional to 257,380,232.28, 350,433,010.49 and 256,563,017.21

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Solution

The fourth proportional to 257,380,232.28, 350,433,010.49 and 256,563,017.21 is: 349,320,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,380,232.28 : 350,433,010.49 = 256,563,017.21 : x
  2. Step 2: Convert to fraction form
    257,380,232.28/350,433,010.49 = 256,563,017.21/x
  3. Step 3: Cross multiply
    257,380,232.28x = 350,433,010.49 × 256,563,017.21
  4. Step 4: Simplify right side
    257,380,232.28x = 89,908,150,498,263,008
  5. Step 5: Solve for x
    x = 89,908,150,498,263,008/257,380,232.28
  6. Step 6: Final answer
    x = 349,320,340.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.