Home / 560,328,519.92-773,245,285.83-309,443,527.40

Finding the Fourth Proportional to 560,328,519.92, 773,245,285.83 and 309,443,527.40

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Solution

The fourth proportional to 560,328,519.92, 773,245,285.83 and 309,443,527.40 is: 427,027,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,328,519.92 : 773,245,285.83 = 309,443,527.40 : x
  2. Step 2: Convert to fraction form
    560,328,519.92/773,245,285.83 = 309,443,527.40/x
  3. Step 3: Cross multiply
    560,328,519.92x = 773,245,285.83 × 309,443,527.40
  4. Step 4: Simplify right side
    560,328,519.92x = 239,275,748,788,790,208
  5. Step 5: Solve for x
    x = 239,275,748,788,790,208/560,328,519.92
  6. Step 6: Final answer
    x = 427,027,610.20

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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.