Home / 578,982,496.32-799,002,016.53-314,664,508.49

Finding the Fourth Proportional to 578,982,496.32, 799,002,016.53 and 314,664,508.49

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Solution

The fourth proportional to 578,982,496.32, 799,002,016.53 and 314,664,508.49 is: 434,240,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,982,496.32 : 799,002,016.53 = 314,664,508.49 : x
  2. Step 2: Convert to fraction form
    578,982,496.32/799,002,016.53 = 314,664,508.49/x
  3. Step 3: Cross multiply
    578,982,496.32x = 799,002,016.53 × 314,664,508.49
  4. Step 4: Simplify right side
    578,982,496.32x = 251,417,576,808,756,320
  5. Step 5: Solve for x
    x = 251,417,576,808,756,320/578,982,496.32
  6. Step 6: Final answer
    x = 434,240,375.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.