Home / 517,161,775.88-713,698,418.22-282,227,605.04

Finding the Fourth Proportional to 517,161,775.88, 713,698,418.22 and 282,227,605.04

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Solution

The fourth proportional to 517,161,775.88, 713,698,418.22 and 282,227,605.04 is: 389,482,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,161,775.88 : 713,698,418.22 = 282,227,605.04 : x
  2. Step 2: Convert to fraction form
    517,161,775.88/713,698,418.22 = 282,227,605.04/x
  3. Step 3: Cross multiply
    517,161,775.88x = 713,698,418.22 × 282,227,605.04
  4. Step 4: Simplify right side
    517,161,775.88x = 201,425,395,295,066,912
  5. Step 5: Solve for x
    x = 201,425,395,295,066,912/517,161,775.88
  6. Step 6: Final answer
    x = 389,482,372.23

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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.