Home / 560,328,515.76-773,245,280.13-309,443,523.27

Finding the Fourth Proportional to 560,328,515.76, 773,245,280.13 and 309,443,523.27

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Solution

The fourth proportional to 560,328,515.76, 773,245,280.13 and 309,443,523.27 is: 427,027,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,328,515.76 : 773,245,280.13 = 309,443,523.27 : x
  2. Step 2: Convert to fraction form
    560,328,515.76/773,245,280.13 = 309,443,523.27/x
  3. Step 3: Cross multiply
    560,328,515.76x = 773,245,280.13 × 309,443,523.27
  4. Step 4: Simplify right side
    560,328,515.76x = 239,275,743,835,325,312
  5. Step 5: Solve for x
    x = 239,275,743,835,325,312/560,328,515.76
  6. Step 6: Final answer
    x = 427,027,604.53

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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.