Home / 313,632,000.30-470,448,000.45-280,753,517.10

Finding the Fourth Proportional to 313,632,000.30, 470,448,000.45 and 280,753,517.10

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Solution

The fourth proportional to 313,632,000.30, 470,448,000.45 and 280,753,517.10 is: 421,130,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,632,000.30 : 470,448,000.45 = 280,753,517.10 : x
  2. Step 2: Convert to fraction form
    313,632,000.30/470,448,000.45 = 280,753,517.10/x
  3. Step 3: Cross multiply
    313,632,000.30x = 470,448,000.45 × 280,753,517.10
  4. Step 4: Simplify right side
    313,632,000.30x = 132,079,930,738,999,888
  5. Step 5: Solve for x
    x = 132,079,930,738,999,888/313,632,000.30
  6. Step 6: Final answer
    x = 421,130,275.65

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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.