Home / 491,191,698.04-677,841,033.88-268,173,372.78

Finding the Fourth Proportional to 491,191,698.04, 677,841,033.88 and 268,173,372.78

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Solution

The fourth proportional to 491,191,698.04, 677,841,033.88 and 268,173,372.78 is: 370,077,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,191,698.04 : 677,841,033.88 = 268,173,372.78 : x
  2. Step 2: Convert to fraction form
    491,191,698.04/677,841,033.88 = 268,173,372.78/x
  3. Step 3: Cross multiply
    491,191,698.04x = 677,841,033.88 × 268,173,372.78
  4. Step 4: Simplify right side
    491,191,698.04x = 181,778,916,263,112,608
  5. Step 5: Solve for x
    x = 181,778,916,263,112,608/491,191,698.04
  6. Step 6: Final answer
    x = 370,077,338.42

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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.