Home / 290,320,494.80-435,480,742.20-167,876,488.40

Finding the Fourth Proportional to 290,320,494.80, 435,480,742.20 and 167,876,488.40

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Solution

The fourth proportional to 290,320,494.80, 435,480,742.20 and 167,876,488.40 is: 251,814,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,320,494.80 : 435,480,742.20 = 167,876,488.40 : x
  2. Step 2: Convert to fraction form
    290,320,494.80/435,480,742.20 = 167,876,488.40/x
  3. Step 3: Cross multiply
    290,320,494.80x = 435,480,742.20 × 167,876,488.40
  4. Step 4: Simplify right side
    290,320,494.80x = 73,106,977,766,361,696
  5. Step 5: Solve for x
    x = 73,106,977,766,361,696/290,320,494.80
  6. Step 6: Final answer
    x = 251,814,732.60

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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.