Home / 561,093,964.72-774,333,584.46-313,575,311.68

Finding the Fourth Proportional to 561,093,964.72, 774,333,584.46 and 313,575,311.68

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Solution

The fourth proportional to 561,093,964.72, 774,333,584.46 and 313,575,311.68 is: 432,747,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,093,964.72 : 774,333,584.46 = 313,575,311.68 : x
  2. Step 2: Convert to fraction form
    561,093,964.72/774,333,584.46 = 313,575,311.68/x
  3. Step 3: Cross multiply
    561,093,964.72x = 774,333,584.46 × 313,575,311.68
  4. Step 4: Simplify right side
    561,093,964.72x = 242,811,895,091,336,128
  5. Step 5: Solve for x
    x = 242,811,895,091,336,128/561,093,964.72
  6. Step 6: Final answer
    x = 432,747,294.32

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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.