Home / 681,058,811.33-939,861,151.02-367,792,997.63

Finding the Fourth Proportional to 681,058,811.33, 939,861,151.02 and 367,792,997.63

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Solution

The fourth proportional to 681,058,811.33, 939,861,151.02 and 367,792,997.63 is: 507,554,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,058,811.33 : 939,861,151.02 = 367,792,997.63 : x
  2. Step 2: Convert to fraction form
    681,058,811.33/939,861,151.02 = 367,792,997.63/x
  3. Step 3: Cross multiply
    681,058,811.33x = 939,861,151.02 × 367,792,997.63
  4. Step 4: Simplify right side
    681,058,811.33x = 345,674,350,084,928,640
  5. Step 5: Solve for x
    x = 345,674,350,084,928,640/681,058,811.33
  6. Step 6: Final answer
    x = 507,554,332.07

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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.