Home / 454,830,338.16-627,665,867.61-245,986,480.74

Finding the Fourth Proportional to 454,830,338.16, 627,665,867.61 and 245,986,480.74

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Solution

The fourth proportional to 454,830,338.16, 627,665,867.61 and 245,986,480.74 is: 339,461,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830,338.16 : 627,665,867.61 = 245,986,480.74 : x
  2. Step 2: Convert to fraction form
    454,830,338.16/627,665,867.61 = 245,986,480.74/x
  3. Step 3: Cross multiply
    454,830,338.16x = 627,665,867.61 × 245,986,480.74
  4. Step 4: Simplify right side
    454,830,338.16x = 154,397,317,854,002,656
  5. Step 5: Solve for x
    x = 154,397,317,854,002,656/454,830,338.16
  6. Step 6: Final answer
    x = 339,461,343.93

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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.