Home / 313,350,029.40-470,025,044.10-306,979,930.20

Finding the Fourth Proportional to 313,350,029.40, 470,025,044.10 and 306,979,930.20

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Solution

The fourth proportional to 313,350,029.40, 470,025,044.10 and 306,979,930.20 is: 460,469,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,350,029.40 : 470,025,044.10 = 306,979,930.20 : x
  2. Step 2: Convert to fraction form
    313,350,029.40/470,025,044.10 = 306,979,930.20/x
  3. Step 3: Cross multiply
    313,350,029.40x = 470,025,044.10 × 306,979,930.20
  4. Step 4: Simplify right side
    313,350,029.40x = 144,288,255,230,069,920
  5. Step 5: Solve for x
    x = 144,288,255,230,069,920/313,350,029.40
  6. Step 6: Final answer
    x = 460,469,895.30

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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.