Home / 645,038,902.46-890,229,256.32-366,622,276.97

Finding the Fourth Proportional to 645,038,902.46, 890,229,256.32 and 366,622,276.97

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Solution

The fourth proportional to 645,038,902.46, 890,229,256.32 and 366,622,276.97 is: 505,981,694.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,038,902.46 : 890,229,256.32 = 366,622,276.97 : x
  2. Step 2: Convert to fraction form
    645,038,902.46/890,229,256.32 = 366,622,276.97/x
  3. Step 3: Cross multiply
    645,038,902.46x = 890,229,256.32 × 366,622,276.97
  4. Step 4: Simplify right side
    645,038,902.46x = 326,377,876,977,348,224
  5. Step 5: Solve for x
    x = 326,377,876,977,348,224/645,038,902.46
  6. Step 6: Final answer
    x = 505,981,694.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.