Home / 783,631,859.20-1,175,617,850.02-238,359,221.44

Finding the Fourth Proportional to 783,631,859.20, 1,175,617,850.02 and 238,359,221.44

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Solution

The fourth proportional to 783,631,859.20, 1,175,617,850.02 and 238,359,221.44 is: 357,590,560.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,631,859.20 : 1,175,617,850.02 = 238,359,221.44 : x
  2. Step 2: Convert to fraction form
    783,631,859.20/1,175,617,850.02 = 238,359,221.44/x
  3. Step 3: Cross multiply
    783,631,859.20x = 1,175,617,850.02 × 238,359,221.44
  4. Step 4: Simplify right side
    783,631,859.20x = 280,219,355,438,198,912
  5. Step 5: Solve for x
    x = 280,219,355,438,198,912/783,631,859.20
  6. Step 6: Final answer
    x = 357,590,560.09

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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.