Home / 560,328,511.26-773,245,273.92-309,443,518.77

Finding the Fourth Proportional to 560,328,511.26, 773,245,273.92 and 309,443,518.77

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Solution

The fourth proportional to 560,328,511.26, 773,245,273.92 and 309,443,518.77 is: 427,027,598.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,328,511.26 : 773,245,273.92 = 309,443,518.77 : x
  2. Step 2: Convert to fraction form
    560,328,511.26/773,245,273.92 = 309,443,518.77/x
  3. Step 3: Cross multiply
    560,328,511.26x = 773,245,273.92 × 309,443,518.77
  4. Step 4: Simplify right side
    560,328,511.26x = 239,275,738,434,077,280
  5. Step 5: Solve for x
    x = 239,275,738,434,077,280/560,328,511.26
  6. Step 6: Final answer
    x = 427,027,598.32

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1.5x scale

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.