Home / 611,438,276.88-917,131,796.64-196,905,923.10

Finding the Fourth Proportional to 611,438,276.88, 917,131,796.64 and 196,905,923.10

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Solution

The fourth proportional to 611,438,276.88, 917,131,796.64 and 196,905,923.10 is: 295,350,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,438,276.88 : 917,131,796.64 = 196,905,923.10 : x
  2. Step 2: Convert to fraction form
    611,438,276.88/917,131,796.64 = 196,905,923.10/x
  3. Step 3: Cross multiply
    611,438,276.88x = 917,131,796.64 × 196,905,923.10
  4. Step 4: Simplify right side
    611,438,276.88x = 180,588,683,021,760,672
  5. Step 5: Solve for x
    x = 180,588,683,021,760,672/611,438,276.88
  6. Step 6: Final answer
    x = 295,350,634.48

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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.