Home / 454,830,329.88-627,665,856.21-245,986,472.49

Finding the Fourth Proportional to 454,830,329.88, 627,665,856.21 and 245,986,472.49

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Solution

The fourth proportional to 454,830,329.88, 627,665,856.21 and 245,986,472.49 is: 339,461,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830,329.88 : 627,665,856.21 = 245,986,472.49 : x
  2. Step 2: Convert to fraction form
    454,830,329.88/627,665,856.21 = 245,986,472.49/x
  3. Step 3: Cross multiply
    454,830,329.88x = 627,665,856.21 × 245,986,472.49
  4. Step 4: Simplify right side
    454,830,329.88x = 154,397,309,871,513,472
  5. Step 5: Solve for x
    x = 154,397,309,871,513,472/454,830,329.88
  6. Step 6: Final answer
    x = 339,461,332.56

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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.