Home / 561,093,964.20-774,333,583.77-313,575,311.16

Finding the Fourth Proportional to 561,093,964.20, 774,333,583.77 and 313,575,311.16

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Solution

The fourth proportional to 561,093,964.20, 774,333,583.77 and 313,575,311.16 is: 432,747,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,093,964.20 : 774,333,583.77 = 313,575,311.16 : x
  2. Step 2: Convert to fraction form
    561,093,964.20/774,333,583.77 = 313,575,311.16/x
  3. Step 3: Cross multiply
    561,093,964.20x = 774,333,583.77 × 313,575,311.16
  4. Step 4: Simplify right side
    561,093,964.20x = 242,811,894,472,315,680
  5. Step 5: Solve for x
    x = 242,811,894,472,315,680/561,093,964.20
  6. Step 6: Final answer
    x = 432,747,293.62

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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.