Home / 300,914,112.78-451,371,169.26-240,712,476.30

Finding the Fourth Proportional to 300,914,112.78, 451,371,169.26 and 240,712,476.30

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Solution

The fourth proportional to 300,914,112.78, 451,371,169.26 and 240,712,476.30 is: 361,068,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,914,112.78 : 451,371,169.26 = 240,712,476.30 : x
  2. Step 2: Convert to fraction form
    300,914,112.78/451,371,169.26 = 240,712,476.30/x
  3. Step 3: Cross multiply
    300,914,112.78x = 451,371,169.26 × 240,712,476.30
  4. Step 4: Simplify right side
    300,914,112.78x = 108,650,671,883,001,040
  5. Step 5: Solve for x
    x = 108,650,671,883,001,040/300,914,112.78
  6. Step 6: Final answer
    x = 361,068,714.52

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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.