Home / 454,830,333.86-627,665,861.72-245,986,476.50

Finding the Fourth Proportional to 454,830,333.86, 627,665,861.72 and 245,986,476.50

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Solution

The fourth proportional to 454,830,333.86, 627,665,861.72 and 245,986,476.50 is: 339,461,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,830,333.86 : 627,665,861.72 = 245,986,476.50 : x
  2. Step 2: Convert to fraction form
    454,830,333.86/627,665,861.72 = 245,986,476.50/x
  3. Step 3: Cross multiply
    454,830,333.86x = 627,665,861.72 × 245,986,476.50
  4. Step 4: Simplify right side
    454,830,333.86x = 154,397,313,743,839,040
  5. Step 5: Solve for x
    x = 154,397,313,743,839,040/454,830,333.86
  6. Step 6: Final answer
    x = 339,461,338.11

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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.