Home / 312,670,859.06-469,006,303.17-214,205,470.58

Finding the Fourth Proportional to 312,670,859.06, 469,006,303.17 and 214,205,470.58

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Solution

The fourth proportional to 312,670,859.06, 469,006,303.17 and 214,205,470.58 is: 321,308,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,670,859.06 : 469,006,303.17 = 214,205,470.58 : x
  2. Step 2: Convert to fraction form
    312,670,859.06/469,006,303.17 = 214,205,470.58/x
  3. Step 3: Cross multiply
    312,670,859.06x = 469,006,303.17 × 214,205,470.58
  4. Step 4: Simplify right side
    312,670,859.06x = 100,463,715,877,491,776
  5. Step 5: Solve for x
    x = 100,463,715,877,491,776/312,670,859.06
  6. Step 6: Final answer
    x = 321,308,215.86

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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.