Home / 313,666,586.20-470,499,879.30-299,557,811.80

Finding the Fourth Proportional to 313,666,586.20, 470,499,879.30 and 299,557,811.80

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Solution

The fourth proportional to 313,666,586.20, 470,499,879.30 and 299,557,811.80 is: 449,336,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,666,586.20 : 470,499,879.30 = 299,557,811.80 : x
  2. Step 2: Convert to fraction form
    313,666,586.20/470,499,879.30 = 299,557,811.80/x
  3. Step 3: Cross multiply
    313,666,586.20x = 470,499,879.30 × 299,557,811.80
  4. Step 4: Simplify right side
    313,666,586.20x = 140,941,914,295,272,128
  5. Step 5: Solve for x
    x = 140,941,914,295,272,128/313,666,586.20
  6. Step 6: Final answer
    x = 449,336,717.70

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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.