Home / 458,125,088.88-687,098,928.60-178,005,512.64

Finding the Fourth Proportional to 458,125,088.88, 687,098,928.60 and 178,005,512.64

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Solution

The fourth proportional to 458,125,088.88, 687,098,928.60 and 178,005,512.64 is: 266,973,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,125,088.88 : 687,098,928.60 = 178,005,512.64 : x
  2. Step 2: Convert to fraction form
    458,125,088.88/687,098,928.60 = 178,005,512.64/x
  3. Step 3: Cross multiply
    458,125,088.88x = 687,098,928.60 × 178,005,512.64
  4. Step 4: Simplify right side
    458,125,088.88x = 122,307,397,019,837,744
  5. Step 5: Solve for x
    x = 122,307,397,019,837,744/458,125,088.88
  6. Step 6: Final answer
    x = 266,973,802.55

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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.