Home / 867,233,936.16-1,300,697,133.56-394,422,232.43

Finding the Fourth Proportional to 867,233,936.16, 1,300,697,133.56 and 394,422,232.43

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Solution

The fourth proportional to 867,233,936.16, 1,300,697,133.56 and 394,422,232.43 is: 591,563,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,233,936.16 : 1,300,697,133.56 = 394,422,232.43 : x
  2. Step 2: Convert to fraction form
    867,233,936.16/1,300,697,133.56 = 394,422,232.43/x
  3. Step 3: Cross multiply
    867,233,936.16x = 1,300,697,133.56 × 394,422,232.43
  4. Step 4: Simplify right side
    867,233,936.16x = 513,023,867,125,561,536
  5. Step 5: Solve for x
    x = 513,023,867,125,561,536/867,233,936.16
  6. Step 6: Final answer
    x = 591,563,412.98

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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.