Home / 386,174,033.60-579,932,896.80-204,775,505.60

Finding the Fourth Proportional to 386,174,033.60, 579,932,896.80 and 204,775,505.60

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Solution

The fourth proportional to 386,174,033.60, 579,932,896.80 and 204,775,505.60 is: 307,519,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,174,033.60 : 579,932,896.80 = 204,775,505.60 : x
  2. Step 2: Convert to fraction form
    386,174,033.60/579,932,896.80 = 204,775,505.60/x
  3. Step 3: Cross multiply
    386,174,033.60x = 579,932,896.80 × 204,775,505.60
  4. Step 4: Simplify right side
    386,174,033.60x = 118,756,052,156,292,608
  5. Step 5: Solve for x
    x = 118,756,052,156,292,608/386,174,033.60
  6. Step 6: Final answer
    x = 307,519,516.65

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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.