Home / 422,822,121.24-634,028,133.60-248,002,281.24

Finding the Fourth Proportional to 422,822,121.24, 634,028,133.60 and 248,002,281.24

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Solution

The fourth proportional to 422,822,121.24, 634,028,133.60 and 248,002,281.24 is: 371,883,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,822,121.24 : 634,028,133.60 = 248,002,281.24 : x
  2. Step 2: Convert to fraction form
    422,822,121.24/634,028,133.60 = 248,002,281.24/x
  3. Step 3: Cross multiply
    422,822,121.24x = 634,028,133.60 × 248,002,281.24
  4. Step 4: Simplify right side
    422,822,121.24x = 157,240,423,503,139,520
  5. Step 5: Solve for x
    x = 157,240,423,503,139,520/422,822,121.24
  6. Step 6: Final answer
    x = 371,883,152.76

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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.