Home / 342,452,730.20-512,828,789.70-274,428,282.20

Finding the Fourth Proportional to 342,452,730.20, 512,828,789.70 and 274,428,282.20

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Solution

The fourth proportional to 342,452,730.20, 512,828,789.70 and 274,428,282.20 is: 410,961,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,452,730.20 : 512,828,789.70 = 274,428,282.20 : x
  2. Step 2: Convert to fraction form
    342,452,730.20/512,828,789.70 = 274,428,282.20/x
  3. Step 3: Cross multiply
    342,452,730.20x = 512,828,789.70 × 274,428,282.20
  4. Step 4: Simplify right side
    342,452,730.20x = 140,734,723,820,076,048
  5. Step 5: Solve for x
    x = 140,734,723,820,076,048/342,452,730.20
  6. Step 6: Final answer
    x = 410,961,021.50

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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.