Home / 927,776,431.36-1,391,665,041.24-272,727,503.56

Finding the Fourth Proportional to 927,776,431.36, 1,391,665,041.24 and 272,727,503.56

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Solution

The fourth proportional to 927,776,431.36, 1,391,665,041.24 and 272,727,503.56 is: 409,091,371.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,776,431.36 : 1,391,665,041.24 = 272,727,503.56 : x
  2. Step 2: Convert to fraction form
    927,776,431.36/1,391,665,041.24 = 272,727,503.56/x
  3. Step 3: Cross multiply
    927,776,431.36x = 1,391,665,041.24 × 272,727,503.56
  4. Step 4: Simplify right side
    927,776,431.36x = 379,545,332,489,109,632
  5. Step 5: Solve for x
    x = 379,545,332,489,109,632/927,776,431.36
  6. Step 6: Final answer
    x = 409,091,371.22

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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.