Home / 682,717,008.65-942,149,472.98-369,451,222.50

Finding the Fourth Proportional to 682,717,008.65, 942,149,472.98 and 369,451,222.50

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Solution

The fourth proportional to 682,717,008.65, 942,149,472.98 and 369,451,222.50 is: 509,842,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,717,008.65 : 942,149,472.98 = 369,451,222.50 : x
  2. Step 2: Convert to fraction form
    682,717,008.65/942,149,472.98 = 369,451,222.50/x
  3. Step 3: Cross multiply
    682,717,008.65x = 942,149,472.98 × 369,451,222.50
  4. Step 4: Simplify right side
    682,717,008.65x = 348,078,274,571,877,568
  5. Step 5: Solve for x
    x = 348,078,274,571,877,568/682,717,008.65
  6. Step 6: Final answer
    x = 509,842,687.62

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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.