Home / 874,515,892.80-1,311,773,839.20-228,283,636.80

Finding the Fourth Proportional to 874,515,892.80, 1,311,773,839.20 and 228,283,636.80

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Solution

The fourth proportional to 874,515,892.80, 1,311,773,839.20 and 228,283,636.80 is: 342,425,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,515,892.80 : 1,311,773,839.20 = 228,283,636.80 : x
  2. Step 2: Convert to fraction form
    874,515,892.80/1,311,773,839.20 = 228,283,636.80/x
  3. Step 3: Cross multiply
    874,515,892.80x = 1,311,773,839.20 × 228,283,636.80
  4. Step 4: Simplify right side
    874,515,892.80x = 299,456,502,671,674,432
  5. Step 5: Solve for x
    x = 299,456,502,671,674,432/874,515,892.80
  6. Step 6: Final answer
    x = 342,425,455.20

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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.