Home / 426,001,932,138.60-639,002,898,207.90-302,167,203,690.60

Finding the Fourth Proportional to 426,001,932,138.60, 639,002,898,207.90 and 302,167,203,690.60

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Solution

The fourth proportional to 426,001,932,138.60, 639,002,898,207.90 and 302,167,203,690.60 is: 453,250,805,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,001,932,138.60 : 639,002,898,207.90 = 302,167,203,690.60 : x
  2. Step 2: Convert to fraction form
    426,001,932,138.60/639,002,898,207.90 = 302,167,203,690.60/x
  3. Step 3: Cross multiply
    426,001,932,138.60x = 639,002,898,207.90 × 302,167,203,690.60
  4. Step 4: Simplify right side
    426,001,932,138.60x = 193,085,718,901,670,241,370,112
  5. Step 5: Solve for x
    x = 193,085,718,901,670,241,370,112/426,001,932,138.60
  6. Step 6: Final answer
    x = 453,250,805,535.90

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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.