Home / 567,811,328.90-783,580,718.03-313,493,177.43

Finding the Fourth Proportional to 567,811,328.90, 783,580,718.03 and 313,493,177.43

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Solution

The fourth proportional to 567,811,328.90, 783,580,718.03 and 313,493,177.43 is: 432,621,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,811,328.90 : 783,580,718.03 = 313,493,177.43 : x
  2. Step 2: Convert to fraction form
    567,811,328.90/783,580,718.03 = 313,493,177.43/x
  3. Step 3: Cross multiply
    567,811,328.90x = 783,580,718.03 × 313,493,177.43
  4. Step 4: Simplify right side
    567,811,328.90x = 245,647,209,066,538,112
  5. Step 5: Solve for x
    x = 245,647,209,066,538,112/567,811,328.90
  6. Step 6: Final answer
    x = 432,621,183.42

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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.