Home / 454,830,328.11-627,665,853.78-245,986,470.73

Finding the Fourth Proportional to 454,830,328.11, 627,665,853.78 and 245,986,470.73

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Solution

The fourth proportional to 454,830,328.11, 627,665,853.78 and 245,986,470.73 is: 339,461,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830,328.11 : 627,665,853.78 = 245,986,470.73 : x
  2. Step 2: Convert to fraction form
    454,830,328.11/627,665,853.78 = 245,986,470.73/x
  3. Step 3: Cross multiply
    454,830,328.11x = 627,665,853.78 × 245,986,470.73
  4. Step 4: Simplify right side
    454,830,328.11x = 154,397,308,169,074,432
  5. Step 5: Solve for x
    x = 154,397,308,169,074,432/454,830,328.11
  6. Step 6: Final answer
    x = 339,461,330.14

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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.