Home / 469,006,301.70-703,509,474.41-321,308,218.98

Finding the Fourth Proportional to 469,006,301.70, 703,509,474.41 and 321,308,218.98

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Solution

The fourth proportional to 469,006,301.70, 703,509,474.41 and 321,308,218.98 is: 481,962,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,006,301.70 : 703,509,474.41 = 321,308,218.98 : x
  2. Step 2: Convert to fraction form
    469,006,301.70/703,509,474.41 = 321,308,218.98/x
  3. Step 3: Cross multiply
    469,006,301.70x = 703,509,474.41 × 321,308,218.98
  4. Step 4: Simplify right side
    469,006,301.70x = 226,043,376,258,232,992
  5. Step 5: Solve for x
    x = 226,043,376,258,232,992/469,006,301.70
  6. Step 6: Final answer
    x = 481,962,343.45

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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.