Home / 403,632,016.40-605,448,024.60-199,558,672.40

Finding the Fourth Proportional to 403,632,016.40, 605,448,024.60 and 199,558,672.40

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Solution

The fourth proportional to 403,632,016.40, 605,448,024.60 and 199,558,672.40 is: 299,338,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,632,016.40 : 605,448,024.60 = 199,558,672.40 : x
  2. Step 2: Convert to fraction form
    403,632,016.40/605,448,024.60 = 199,558,672.40/x
  3. Step 3: Cross multiply
    403,632,016.40x = 605,448,024.60 × 199,558,672.40
  4. Step 4: Simplify right side
    403,632,016.40x = 120,822,403,996,378,544
  5. Step 5: Solve for x
    x = 120,822,403,996,378,544/403,632,016.40
  6. Step 6: Final answer
    x = 299,338,008.60

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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.