Home / 456,480,898.28-685,164,122.08-220,296,632.77

Finding the Fourth Proportional to 456,480,898.28, 685,164,122.08 and 220,296,632.77

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Solution

The fourth proportional to 456,480,898.28, 685,164,122.08 and 220,296,632.77 is: 330,658,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,480,898.28 : 685,164,122.08 = 220,296,632.77 : x
  2. Step 2: Convert to fraction form
    456,480,898.28/685,164,122.08 = 220,296,632.77/x
  3. Step 3: Cross multiply
    456,480,898.28x = 685,164,122.08 × 220,296,632.77
  4. Step 4: Simplify right side
    456,480,898.28x = 150,939,348,990,675,296
  5. Step 5: Solve for x
    x = 150,939,348,990,675,296/456,480,898.28
  6. Step 6: Final answer
    x = 330,658,631.19

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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.