Home / 624,055,607.80-861,210,679.19-356,126,105.97

Finding the Fourth Proportional to 624,055,607.80, 861,210,679.19 and 356,126,105.97

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Solution

The fourth proportional to 624,055,607.80, 861,210,679.19 and 356,126,105.97 is: 491,461,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,055,607.80 : 861,210,679.19 = 356,126,105.97 : x
  2. Step 2: Convert to fraction form
    624,055,607.80/861,210,679.19 = 356,126,105.97/x
  3. Step 3: Cross multiply
    624,055,607.80x = 861,210,679.19 × 356,126,105.97
  4. Step 4: Simplify right side
    624,055,607.80x = 306,699,605,597,932,992
  5. Step 5: Solve for x
    x = 306,699,605,597,932,992/624,055,607.80
  6. Step 6: Final answer
    x = 491,461,981.54

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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.