Home / 576,470,540.70-864,817,785.45-248,945,420.70

Finding the Fourth Proportional to 576,470,540.70, 864,817,785.45 and 248,945,420.70

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Solution

The fourth proportional to 576,470,540.70, 864,817,785.45 and 248,945,420.70 is: 373,466,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,470,540.70 : 864,817,785.45 = 248,945,420.70 : x
  2. Step 2: Convert to fraction form
    576,470,540.70/864,817,785.45 = 248,945,420.70/x
  3. Step 3: Cross multiply
    576,470,540.70x = 864,817,785.45 × 248,945,420.70
  4. Step 4: Simplify right side
    576,470,540.70x = 215,292,427,427,692,576
  5. Step 5: Solve for x
    x = 215,292,427,427,692,576/576,470,540.70
  6. Step 6: Final answer
    x = 373,466,486.54

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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.