Home / 491,113,331.55-736,234,253.37-180,149,419.51

Finding the Fourth Proportional to 491,113,331.55, 736,234,253.37 and 180,149,419.51

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Solution

The fourth proportional to 491,113,331.55, 736,234,253.37 and 180,149,419.51 is: 270,064,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,113,331.55 : 736,234,253.37 = 180,149,419.51 : x
  2. Step 2: Convert to fraction form
    491,113,331.55/736,234,253.37 = 180,149,419.51/x
  3. Step 3: Cross multiply
    491,113,331.55x = 736,234,253.37 × 180,149,419.51
  4. Step 4: Simplify right side
    491,113,331.55x = 132,632,173,366,143,168
  5. Step 5: Solve for x
    x = 132,632,173,366,143,168/491,113,331.55
  6. Step 6: Final answer
    x = 270,064,290.35

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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.