Home / 356,147,564.20-534,221,346.30-321,001,599.40

Finding the Fourth Proportional to 356,147,564.20, 534,221,346.30 and 321,001,599.40

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Solution

The fourth proportional to 356,147,564.20, 534,221,346.30 and 321,001,599.40 is: 481,502,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,147,564.20 : 534,221,346.30 = 321,001,599.40 : x
  2. Step 2: Convert to fraction form
    356,147,564.20/534,221,346.30 = 321,001,599.40/x
  3. Step 3: Cross multiply
    356,147,564.20x = 534,221,346.30 × 321,001,599.40
  4. Step 4: Simplify right side
    356,147,564.20x = 171,485,906,595,921,248
  5. Step 5: Solve for x
    x = 171,485,906,595,921,248/356,147,564.20
  6. Step 6: Final answer
    x = 481,502,399.10

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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.