Home / 419,174,550.41-578,444,038.01-228,431,517.46

Finding the Fourth Proportional to 419,174,550.41, 578,444,038.01 and 228,431,517.46

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Solution

The fourth proportional to 419,174,550.41, 578,444,038.01 and 228,431,517.46 is: 315,226,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,174,550.41 : 578,444,038.01 = 228,431,517.46 : x
  2. Step 2: Convert to fraction form
    419,174,550.41/578,444,038.01 = 228,431,517.46/x
  3. Step 3: Cross multiply
    419,174,550.41x = 578,444,038.01 × 228,431,517.46
  4. Step 4: Simplify right side
    419,174,550.41x = 132,134,849,365,388,864
  5. Step 5: Solve for x
    x = 132,134,849,365,388,864/419,174,550.41
  6. Step 6: Final answer
    x = 315,226,316.19

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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.