Home / 513,216,002.80-769,824,004.20-283,633,490.80

Finding the Fourth Proportional to 513,216,002.80, 769,824,004.20 and 283,633,490.80

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Solution

The fourth proportional to 513,216,002.80, 769,824,004.20 and 283,633,490.80 is: 425,450,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,216,002.80 : 769,824,004.20 = 283,633,490.80 : x
  2. Step 2: Convert to fraction form
    513,216,002.80/769,824,004.20 = 283,633,490.80/x
  3. Step 3: Cross multiply
    513,216,002.80x = 769,824,004.20 × 283,633,490.80
  4. Step 4: Simplify right side
    513,216,002.80x = 218,347,869,612,879,872
  5. Step 5: Solve for x
    x = 218,347,869,612,879,872/513,216,002.80
  6. Step 6: Final answer
    x = 425,450,236.20

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1.5x scale

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.