Home / 449,352,001.80-674,028,002.70-219,202,619.40

Finding the Fourth Proportional to 449,352,001.80, 674,028,002.70 and 219,202,619.40

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Solution

The fourth proportional to 449,352,001.80, 674,028,002.70 and 219,202,619.40 is: 328,803,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,352,001.80 : 674,028,002.70 = 219,202,619.40 : x
  2. Step 2: Convert to fraction form
    449,352,001.80/674,028,002.70 = 219,202,619.40/x
  3. Step 3: Cross multiply
    449,352,001.80x = 674,028,002.70 × 219,202,619.40
  4. Step 4: Simplify right side
    449,352,001.80x = 147,748,703,740,790,272
  5. Step 5: Solve for x
    x = 147,748,703,740,790,272/449,352,001.80
  6. Step 6: Final answer
    x = 328,803,929.10

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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.