Home / 329,978,579.40-494,967,869.10-148,580,051.40

Finding the Fourth Proportional to 329,978,579.40, 494,967,869.10 and 148,580,051.40

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Solution

The fourth proportional to 329,978,579.40, 494,967,869.10 and 148,580,051.40 is: 222,870,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,978,579.40 : 494,967,869.10 = 148,580,051.40 : x
  2. Step 2: Convert to fraction form
    329,978,579.40/494,967,869.10 = 148,580,051.40/x
  3. Step 3: Cross multiply
    329,978,579.40x = 494,967,869.10 × 148,580,051.40
  4. Step 4: Simplify right side
    329,978,579.40x = 73,542,351,432,226,480
  5. Step 5: Solve for x
    x = 73,542,351,432,226,480/329,978,579.40
  6. Step 6: Final answer
    x = 222,870,077.10

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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.