Home / 542,862,665,806.35-749,184,501,506.18-298,992,086,172.06

Finding the Fourth Proportional to 542,862,665,806.35, 749,184,501,506.18 and 298,992,086,172.06

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Solution

The fourth proportional to 542,862,665,806.35, 749,184,501,506.18 and 298,992,086,172.06 is: 412,627,817,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,862,665,806.35 : 749,184,501,506.18 = 298,992,086,172.06 : x
  2. Step 2: Convert to fraction form
    542,862,665,806.35/749,184,501,506.18 = 298,992,086,172.06/x
  3. Step 3: Cross multiply
    542,862,665,806.35x = 749,184,501,506.18 × 298,992,086,172.06
  4. Step 4: Simplify right side
    542,862,665,806.35x = 224,000,237,033,107,591,528,448
  5. Step 5: Solve for x
    x = 224,000,237,033,107,591,528,448/542,862,665,806.35
  6. Step 6: Final answer
    x = 412,627,817,572.21

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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.