Home / 403,344,588,801.72-605,019,483,775.82-161,341,916,333.36

Finding the Fourth Proportional to 403,344,588,801.72, 605,019,483,775.82 and 161,341,916,333.36

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Solution

The fourth proportional to 403,344,588,801.72, 605,019,483,775.82 and 161,341,916,333.36 is: 242,013,914,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,344,588,801.72 : 605,019,483,775.82 = 161,341,916,333.36 : x
  2. Step 2: Convert to fraction form
    403,344,588,801.72/605,019,483,775.82 = 161,341,916,333.36/x
  3. Step 3: Cross multiply
    403,344,588,801.72x = 605,019,483,775.82 × 161,341,916,333.36
  4. Step 4: Simplify right side
    403,344,588,801.72x = 97,615,002,931,410,996,559,872
  5. Step 5: Solve for x
    x = 97,615,002,931,410,996,559,872/403,344,588,801.72
  6. Step 6: Final answer
    x = 242,013,914,755.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.