Home / 426,001,932,309.60-639,002,898,464.40-302,167,203,861.60

Finding the Fourth Proportional to 426,001,932,309.60, 639,002,898,464.40 and 302,167,203,861.60

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Solution

The fourth proportional to 426,001,932,309.60, 639,002,898,464.40 and 302,167,203,861.60 is: 453,250,805,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,001,932,309.60 : 639,002,898,464.40 = 302,167,203,861.60 : x
  2. Step 2: Convert to fraction form
    426,001,932,309.60/639,002,898,464.40 = 302,167,203,861.60/x
  3. Step 3: Cross multiply
    426,001,932,309.60x = 639,002,898,464.40 × 302,167,203,861.60
  4. Step 4: Simplify right side
    426,001,932,309.60x = 193,085,719,088,445,618,388,992
  5. Step 5: Solve for x
    x = 193,085,719,088,445,618,388,992/426,001,932,309.60
  6. Step 6: Final answer
    x = 453,250,805,792.40

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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.