Home / 1,114,857,293.54-1,538,126,493.62-631,997,442.51

Finding the Fourth Proportional to 1,114,857,293.54, 1,538,126,493.62 and 631,997,442.51

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Solution

The fourth proportional to 1,114,857,293.54, 1,538,126,493.62 and 631,997,442.51 is: 871,942,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,857,293.54 : 1,538,126,493.62 = 631,997,442.51 : x
  2. Step 2: Convert to fraction form
    1,114,857,293.54/1,538,126,493.62 = 631,997,442.51/x
  3. Step 3: Cross multiply
    1,114,857,293.54x = 1,538,126,493.62 × 631,997,442.51
  4. Step 4: Simplify right side
    1,114,857,293.54x = 972,092,010,227,921,664
  5. Step 5: Solve for x
    x = 972,092,010,227,921,664/1,114,857,293.54
  6. Step 6: Final answer
    x = 871,942,997.42

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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.