Home / 313,672,030.20-470,508,045.30-299,563,255.80

Finding the Fourth Proportional to 313,672,030.20, 470,508,045.30 and 299,563,255.80

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Solution

The fourth proportional to 313,672,030.20, 470,508,045.30 and 299,563,255.80 is: 449,344,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,672,030.20 : 470,508,045.30 = 299,563,255.80 : x
  2. Step 2: Convert to fraction form
    313,672,030.20/470,508,045.30 = 299,563,255.80/x
  3. Step 3: Cross multiply
    313,672,030.20x = 470,508,045.30 × 299,563,255.80
  4. Step 4: Simplify right side
    313,672,030.20x = 140,946,921,930,161,904
  5. Step 5: Solve for x
    x = 140,946,921,930,161,904/313,672,030.20
  6. Step 6: Final answer
    x = 449,344,883.70

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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.