Home / 391,507,796,799.18-587,261,857,989.44-176,124,763,876.01

Finding the Fourth Proportional to 391,507,796,799.18, 587,261,857,989.44 and 176,124,763,876.01

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Solution

The fourth proportional to 391,507,796,799.18, 587,261,857,989.44 and 176,124,763,876.01 is: 264,187,219,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,507,796,799.18 : 587,261,857,989.44 = 176,124,763,876.01 : x
  2. Step 2: Convert to fraction form
    391,507,796,799.18/587,261,857,989.44 = 176,124,763,876.01/x
  3. Step 3: Cross multiply
    391,507,796,799.18x = 587,261,857,989.44 × 176,124,763,876.01
  4. Step 4: Simplify right side
    391,507,796,799.18x = 103,431,356,071,777,027,489,792
  5. Step 5: Solve for x
    x = 103,431,356,071,777,027,489,792/391,507,796,799.18
  6. Step 6: Final answer
    x = 264,187,219,047.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.