Home / 342,812,752.20-514,219,128.30-239,500,621.80

Finding the Fourth Proportional to 342,812,752.20, 514,219,128.30 and 239,500,621.80

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Solution

The fourth proportional to 342,812,752.20, 514,219,128.30 and 239,500,621.80 is: 359,250,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,812,752.20 : 514,219,128.30 = 239,500,621.80 : x
  2. Step 2: Convert to fraction form
    342,812,752.20/514,219,128.30 = 239,500,621.80/x
  3. Step 3: Cross multiply
    342,812,752.20x = 514,219,128.30 × 239,500,621.80
  4. Step 4: Simplify right side
    342,812,752.20x = 123,155,800,969,303,984
  5. Step 5: Solve for x
    x = 123,155,800,969,303,984/342,812,752.20
  6. Step 6: Final answer
    x = 359,250,932.70

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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.