Home / 454,830,321.50-627,665,844.66-245,986,464.13

Finding the Fourth Proportional to 454,830,321.50, 627,665,844.66 and 245,986,464.13

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Solution

The fourth proportional to 454,830,321.50, 627,665,844.66 and 245,986,464.13 is: 339,461,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830,321.50 : 627,665,844.66 = 245,986,464.13 : x
  2. Step 2: Convert to fraction form
    454,830,321.50/627,665,844.66 = 245,986,464.13/x
  3. Step 3: Cross multiply
    454,830,321.50x = 627,665,844.66 × 245,986,464.13
  4. Step 4: Simplify right side
    454,830,321.50x = 154,397,301,780,633,664
  5. Step 5: Solve for x
    x = 154,397,301,780,633,664/454,830,321.50
  6. Step 6: Final answer
    x = 339,461,321.03

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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.