Home / 454,830,342-627,665,872.96-245,986,484.64

Finding the Fourth Proportional to 454,830,342, 627,665,872.96 and 245,986,484.64

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Solution

The fourth proportional to 454,830,342, 627,665,872.96 and 245,986,484.64 is: 339,461,349.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830,342 : 627,665,872.96 = 245,986,484.64 : x
  2. Step 2: Convert to fraction form
    454,830,342/627,665,872.96 = 245,986,484.64/x
  3. Step 3: Cross multiply
    454,830,342x = 627,665,872.96 × 245,986,484.64
  4. Step 4: Simplify right side
    454,830,342x = 154,397,321,617,927,232
  5. Step 5: Solve for x
    x = 154,397,321,617,927,232/454,830,342
  6. Step 6: Final answer
    x = 339,461,349.34

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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.