Home / 669,307,493.70-923,666,771.07-371,962,268.46

Finding the Fourth Proportional to 669,307,493.70, 923,666,771.07 and 371,962,268.46

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Solution

The fourth proportional to 669,307,493.70, 923,666,771.07 and 371,962,268.46 is: 513,320,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,307,493.70 : 923,666,771.07 = 371,962,268.46 : x
  2. Step 2: Convert to fraction form
    669,307,493.70/923,666,771.07 = 371,962,268.46/x
  3. Step 3: Cross multiply
    669,307,493.70x = 923,666,771.07 × 371,962,268.46
  4. Step 4: Simplify right side
    669,307,493.70x = 343,569,187,468,320,704
  5. Step 5: Solve for x
    x = 343,569,187,468,320,704/669,307,493.70
  6. Step 6: Final answer
    x = 513,320,395.64

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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.