Home / 874,515,821.80-1,311,773,732.70-228,283,565.80

Finding the Fourth Proportional to 874,515,821.80, 1,311,773,732.70 and 228,283,565.80

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Solution

The fourth proportional to 874,515,821.80, 1,311,773,732.70 and 228,283,565.80 is: 342,425,348.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,515,821.80 : 1,311,773,732.70 = 228,283,565.80 : x
  2. Step 2: Convert to fraction form
    874,515,821.80/1,311,773,732.70 = 228,283,565.80/x
  3. Step 3: Cross multiply
    874,515,821.80x = 1,311,773,732.70 × 228,283,565.80
  4. Step 4: Simplify right side
    874,515,821.80x = 299,456,385,223,532,096
  5. Step 5: Solve for x
    x = 299,456,385,223,532,096/874,515,821.80
  6. Step 6: Final answer
    x = 342,425,348.70

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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.