Home / 468,195,613.83-646,109,722.31-280,023,904.44

Finding the Fourth Proportional to 468,195,613.83, 646,109,722.31 and 280,023,904.44

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Solution

The fourth proportional to 468,195,613.83, 646,109,722.31 and 280,023,904.44 is: 386,432,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,195,613.83 : 646,109,722.31 = 280,023,904.44 : x
  2. Step 2: Convert to fraction form
    468,195,613.83/646,109,722.31 = 280,023,904.44/x
  3. Step 3: Cross multiply
    468,195,613.83x = 646,109,722.31 × 280,023,904.44
  4. Step 4: Simplify right side
    468,195,613.83x = 180,926,167,136,490,240
  5. Step 5: Solve for x
    x = 180,926,167,136,490,240/468,195,613.83
  6. Step 6: Final answer
    x = 386,432,853.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.