Home / 453,480,556.80-680,287,190.40-146,720,467.20

Finding the Fourth Proportional to 453,480,556.80, 680,287,190.40 and 146,720,467.20

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Solution

The fourth proportional to 453,480,556.80, 680,287,190.40 and 146,720,467.20 is: 220,102,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,480,556.80 : 680,287,190.40 = 146,720,467.20 : x
  2. Step 2: Convert to fraction form
    453,480,556.80/680,287,190.40 = 146,720,467.20/x
  3. Step 3: Cross multiply
    453,480,556.80x = 680,287,190.40 × 146,720,467.20
  4. Step 4: Simplify right side
    453,480,556.80x = 99,812,054,405,663,344
  5. Step 5: Solve for x
    x = 99,812,054,405,663,344/453,480,556.80
  6. Step 6: Final answer
    x = 220,102,169.56

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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.