Home / 644,552,596.72-889,482,711.48-351,197,164.72

Finding the Fourth Proportional to 644,552,596.72, 889,482,711.48 and 351,197,164.72

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Solution

The fourth proportional to 644,552,596.72, 889,482,711.48 and 351,197,164.72 is: 484,652,157.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,552,596.72 : 889,482,711.48 = 351,197,164.72 : x
  2. Step 2: Convert to fraction form
    644,552,596.72/889,482,711.48 = 351,197,164.72/x
  3. Step 3: Cross multiply
    644,552,596.72x = 889,482,711.48 × 351,197,164.72
  4. Step 4: Simplify right side
    644,552,596.72x = 312,383,806,339,233,856
  5. Step 5: Solve for x
    x = 312,383,806,339,233,856/644,552,596.72
  6. Step 6: Final answer
    x = 484,652,157.06

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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.