Home / 394,258,866.24-544,055,234.40-215,607,500.16

Finding the Fourth Proportional to 394,258,866.24, 544,055,234.40 and 215,607,500.16

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Solution

The fourth proportional to 394,258,866.24, 544,055,234.40 and 215,607,500.16 is: 297,526,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,258,866.24 : 544,055,234.40 = 215,607,500.16 : x
  2. Step 2: Convert to fraction form
    394,258,866.24/544,055,234.40 = 215,607,500.16/x
  3. Step 3: Cross multiply
    394,258,866.24x = 544,055,234.40 × 215,607,500.16
  4. Step 4: Simplify right side
    394,258,866.24x = 117,302,389,037,946,832
  5. Step 5: Solve for x
    x = 117,302,389,037,946,832/394,258,866.24
  6. Step 6: Final answer
    x = 297,526,318.58

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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.