Home / 480,511,324.74-663,110,849.40-282,281,174.55

Finding the Fourth Proportional to 480,511,324.74, 663,110,849.40 and 282,281,174.55

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Solution

The fourth proportional to 480,511,324.74, 663,110,849.40 and 282,281,174.55 is: 389,551,088.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,511,324.74 : 663,110,849.40 = 282,281,174.55 : x
  2. Step 2: Convert to fraction form
    480,511,324.74/663,110,849.40 = 282,281,174.55/x
  3. Step 3: Cross multiply
    480,511,324.74x = 663,110,849.40 × 282,281,174.55
  4. Step 4: Simplify right side
    480,511,324.74x = 187,183,709,425,480,160
  5. Step 5: Solve for x
    x = 187,183,709,425,480,160/480,511,324.74
  6. Step 6: Final answer
    x = 389,551,088.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.