Home / 634,273,583.56-875,286,805.68-355,809,128.38

Finding the Fourth Proportional to 634,273,583.56, 875,286,805.68 and 355,809,128.38

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Solution

The fourth proportional to 634,273,583.56, 875,286,805.68 and 355,809,128.38 is: 491,010,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,273,583.56 : 875,286,805.68 = 355,809,128.38 : x
  2. Step 2: Convert to fraction form
    634,273,583.56/875,286,805.68 = 355,809,128.38/x
  3. Step 3: Cross multiply
    634,273,583.56x = 875,286,805.68 × 355,809,128.38
  4. Step 4: Simplify right side
    634,273,583.56x = 311,435,035,411,515,200
  5. Step 5: Solve for x
    x = 311,435,035,411,515,200/634,273,583.56
  6. Step 6: Final answer
    x = 491,010,572.54

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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.