Home / 644,552,592.72-889,482,705.96-351,197,160.72

Finding the Fourth Proportional to 644,552,592.72, 889,482,705.96 and 351,197,160.72

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Solution

The fourth proportional to 644,552,592.72, 889,482,705.96 and 351,197,160.72 is: 484,652,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,552,592.72 : 889,482,705.96 = 351,197,160.72 : x
  2. Step 2: Convert to fraction form
    644,552,592.72/889,482,705.96 = 351,197,160.72/x
  3. Step 3: Cross multiply
    644,552,592.72x = 889,482,705.96 × 351,197,160.72
  4. Step 4: Simplify right side
    644,552,592.72x = 312,383,800,842,694,656
  5. Step 5: Solve for x
    x = 312,383,800,842,694,656/644,552,592.72
  6. Step 6: Final answer
    x = 484,652,151.54

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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.