Home / 328,123,391.60-492,185,087.40-274,773,810.80

Finding the Fourth Proportional to 328,123,391.60, 492,185,087.40 and 274,773,810.80

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Solution

The fourth proportional to 328,123,391.60, 492,185,087.40 and 274,773,810.80 is: 412,160,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,123,391.60 : 492,185,087.40 = 274,773,810.80 : x
  2. Step 2: Convert to fraction form
    328,123,391.60/492,185,087.40 = 274,773,810.80/x
  3. Step 3: Cross multiply
    328,123,391.60x = 492,185,087.40 × 274,773,810.80
  4. Step 4: Simplify right side
    328,123,391.60x = 135,239,572,083,829,056
  5. Step 5: Solve for x
    x = 135,239,572,083,829,056/328,123,391.60
  6. Step 6: Final answer
    x = 412,160,716.20

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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.