Home / 504,144,661.40-756,216,992.10-121,192,213.40

Finding the Fourth Proportional to 504,144,661.40, 756,216,992.10 and 121,192,213.40

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Solution

The fourth proportional to 504,144,661.40, 756,216,992.10 and 121,192,213.40 is: 181,788,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,144,661.40 : 756,216,992.10 = 121,192,213.40 : x
  2. Step 2: Convert to fraction form
    504,144,661.40/756,216,992.10 = 121,192,213.40/x
  3. Step 3: Cross multiply
    504,144,661.40x = 756,216,992.10 × 121,192,213.40
  4. Step 4: Simplify right side
    504,144,661.40x = 91,647,611,083,289,328
  5. Step 5: Solve for x
    x = 91,647,611,083,289,328/504,144,661.40
  6. Step 6: Final answer
    x = 181,788,320.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.