Home / 379,071,479.89-568,641,920.24-106,440,409.81

Finding the Fourth Proportional to 379,071,479.89, 568,641,920.24 and 106,440,409.81

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Solution

The fourth proportional to 379,071,479.89, 568,641,920.24 and 106,440,409.81 is: 159,670,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,071,479.89 : 568,641,920.24 = 106,440,409.81 : x
  2. Step 2: Convert to fraction form
    379,071,479.89/568,641,920.24 = 106,440,409.81/x
  3. Step 3: Cross multiply
    379,071,479.89x = 568,641,920.24 × 106,440,409.81
  4. Step 4: Simplify right side
    379,071,479.89x = 60,526,479,025,490,936
  5. Step 5: Solve for x
    x = 60,526,479,025,490,936/379,071,479.89
  6. Step 6: Final answer
    x = 159,670,358.33

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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.