Home / 644,552,528.72-889,482,617.16-351,197,096.72

Finding the Fourth Proportional to 644,552,528.72, 889,482,617.16 and 351,197,096.72

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Solution

The fourth proportional to 644,552,528.72, 889,482,617.16 and 351,197,096.72 is: 484,652,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,552,528.72 : 889,482,617.16 = 351,197,096.72 : x
  2. Step 2: Convert to fraction form
    644,552,528.72/889,482,617.16 = 351,197,096.72/x
  3. Step 3: Cross multiply
    644,552,528.72x = 889,482,617.16 × 351,197,096.72
  4. Step 4: Simplify right side
    644,552,528.72x = 312,383,712,729,499,264
  5. Step 5: Solve for x
    x = 312,383,712,729,499,264/644,552,528.72
  6. Step 6: Final answer
    x = 484,652,062.96

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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.