Home / 542,862,665,806.60-749,184,501,506.55-298,992,086,172.30

Finding the Fourth Proportional to 542,862,665,806.60, 749,184,501,506.55 and 298,992,086,172.30

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Solution

The fourth proportional to 542,862,665,806.60, 749,184,501,506.55 and 298,992,086,172.30 is: 412,627,817,572.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,862,665,806.60 : 749,184,501,506.55 = 298,992,086,172.30 : x
  2. Step 2: Convert to fraction form
    542,862,665,806.60/749,184,501,506.55 = 298,992,086,172.30/x
  3. Step 3: Cross multiply
    542,862,665,806.60x = 749,184,501,506.55 × 298,992,086,172.30
  4. Step 4: Simplify right side
    542,862,665,806.60x = 224,000,237,033,398,038,691,840
  5. Step 5: Solve for x
    x = 224,000,237,033,398,038,691,840/542,862,665,806.60
  6. Step 6: Final answer
    x = 412,627,817,572.56

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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.