Home / 512,642,116.80-768,963,175.20-167,630,619.60

Finding the Fourth Proportional to 512,642,116.80, 768,963,175.20 and 167,630,619.60

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Solution

The fourth proportional to 512,642,116.80, 768,963,175.20 and 167,630,619.60 is: 251,445,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,642,116.80 : 768,963,175.20 = 167,630,619.60 : x
  2. Step 2: Convert to fraction form
    512,642,116.80/768,963,175.20 = 167,630,619.60/x
  3. Step 3: Cross multiply
    512,642,116.80x = 768,963,175.20 × 167,630,619.60
  4. Step 4: Simplify right side
    512,642,116.80x = 128,901,773,508,359,360
  5. Step 5: Solve for x
    x = 128,901,773,508,359,360/512,642,116.80
  6. Step 6: Final answer
    x = 251,445,929.40

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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.