Home / 542,862,665,808.85-749,184,501,509.66-298,992,086,174.56

Finding the Fourth Proportional to 542,862,665,808.85, 749,184,501,509.66 and 298,992,086,174.56

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Solution

The fourth proportional to 542,862,665,808.85, 749,184,501,509.66 and 298,992,086,174.56 is: 412,627,817,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,862,665,808.85 : 749,184,501,509.66 = 298,992,086,174.56 : x
  2. Step 2: Convert to fraction form
    542,862,665,808.85/749,184,501,509.66 = 298,992,086,174.56/x
  3. Step 3: Cross multiply
    542,862,665,808.85x = 749,184,501,509.66 × 298,992,086,174.56
  4. Step 4: Simplify right side
    542,862,665,808.85x = 224,000,237,036,021,055,750,144
  5. Step 5: Solve for x
    x = 224,000,237,036,021,055,750,144/542,862,665,808.85
  6. Step 6: Final answer
    x = 412,627,817,575.68

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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.