Home / 927,776,432.36-1,391,665,042.74-272,727,504.56

Finding the Fourth Proportional to 927,776,432.36, 1,391,665,042.74 and 272,727,504.56

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Solution

The fourth proportional to 927,776,432.36, 1,391,665,042.74 and 272,727,504.56 is: 409,091,372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,776,432.36 : 1,391,665,042.74 = 272,727,504.56 : x
  2. Step 2: Convert to fraction form
    927,776,432.36/1,391,665,042.74 = 272,727,504.56/x
  3. Step 3: Cross multiply
    927,776,432.36x = 1,391,665,042.74 × 272,727,504.56
  4. Step 4: Simplify right side
    927,776,432.36x = 379,545,334,289,865,920
  5. Step 5: Solve for x
    x = 379,545,334,289,865,920/927,776,432.36
  6. Step 6: Final answer
    x = 409,091,372.72

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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.