Home / 404,548,693.20-606,823,039.80-145,772,355.60

Finding the Fourth Proportional to 404,548,693.20, 606,823,039.80 and 145,772,355.60

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Solution

The fourth proportional to 404,548,693.20, 606,823,039.80 and 145,772,355.60 is: 218,658,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,548,693.20 : 606,823,039.80 = 145,772,355.60 : x
  2. Step 2: Convert to fraction form
    404,548,693.20/606,823,039.80 = 145,772,355.60/x
  3. Step 3: Cross multiply
    404,548,693.20x = 606,823,039.80 × 145,772,355.60
  4. Step 4: Simplify right side
    404,548,693.20x = 88,458,023,943,998,544
  5. Step 5: Solve for x
    x = 88,458,023,943,998,544/404,548,693.20
  6. Step 6: Final answer
    x = 218,658,533.40

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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.