Home / 454,830,321.63-627,665,844.84-245,986,464.25

Finding the Fourth Proportional to 454,830,321.63, 627,665,844.84 and 245,986,464.25

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Solution

The fourth proportional to 454,830,321.63, 627,665,844.84 and 245,986,464.25 is: 339,461,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830,321.63 : 627,665,844.84 = 245,986,464.25 : x
  2. Step 2: Convert to fraction form
    454,830,321.63/627,665,844.84 = 245,986,464.25/x
  3. Step 3: Cross multiply
    454,830,321.63x = 627,665,844.84 × 245,986,464.25
  4. Step 4: Simplify right side
    454,830,321.63x = 154,397,301,901,450,784
  5. Step 5: Solve for x
    x = 154,397,301,901,450,784/454,830,321.63
  6. Step 6: Final answer
    x = 339,461,321.20

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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.