Home / 424,414,783-636,622,139.94-117,706,891.96

Finding the Fourth Proportional to 424,414,783, 636,622,139.94 and 117,706,891.96

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Solution

The fourth proportional to 424,414,783, 636,622,139.94 and 117,706,891.96 is: 176,560,328.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,414,783 : 636,622,139.94 = 117,706,891.96 : x
  2. Step 2: Convert to fraction form
    424,414,783/636,622,139.94 = 117,706,891.96/x
  3. Step 3: Cross multiply
    424,414,783x = 636,622,139.94 × 117,706,891.96
  4. Step 4: Simplify right side
    424,414,783x = 74,934,813,445,261,584
  5. Step 5: Solve for x
    x = 74,934,813,445,261,584/424,414,783
  6. Step 6: Final answer
    x = 176,560,328.36

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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.