Home / 542,862,665,806.82-749,184,501,506.90-298,992,086,172.56

Finding the Fourth Proportional to 542,862,665,806.82, 749,184,501,506.90 and 298,992,086,172.56

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Solution

The fourth proportional to 542,862,665,806.82, 749,184,501,506.90 and 298,992,086,172.56 is: 412,627,817,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,862,665,806.82 : 749,184,501,506.90 = 298,992,086,172.56 : x
  2. Step 2: Convert to fraction form
    542,862,665,806.82/749,184,501,506.90 = 298,992,086,172.56/x
  3. Step 3: Cross multiply
    542,862,665,806.82x = 749,184,501,506.90 × 298,992,086,172.56
  4. Step 4: Simplify right side
    542,862,665,806.82x = 224,000,237,033,697,444,888,576
  5. Step 5: Solve for x
    x = 224,000,237,033,697,444,888,576/542,862,665,806.82
  6. Step 6: Final answer
    x = 412,627,817,572.94

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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.