Home / 329,176,872,912.40-493,765,309,368.60-105,609,422,726.80

Finding the Fourth Proportional to 329,176,872,912.40, 493,765,309,368.60 and 105,609,422,726.80

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Solution

The fourth proportional to 329,176,872,912.40, 493,765,309,368.60 and 105,609,422,726.80 is: 158,414,134,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,176,872,912.40 : 493,765,309,368.60 = 105,609,422,726.80 : x
  2. Step 2: Convert to fraction form
    329,176,872,912.40/493,765,309,368.60 = 105,609,422,726.80/x
  3. Step 3: Cross multiply
    329,176,872,912.40x = 493,765,309,368.60 × 105,609,422,726.80
  4. Step 4: Simplify right side
    329,176,872,912.40x = 52,146,269,284,937,658,007,552
  5. Step 5: Solve for x
    x = 52,146,269,284,937,658,007,552/329,176,872,912.40
  6. Step 6: Final answer
    x = 158,414,134,090.20

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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.