Home / 468,195,627.90-646,109,741.78-280,023,918.51

Finding the Fourth Proportional to 468,195,627.90, 646,109,741.78 and 280,023,918.51

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Solution

The fourth proportional to 468,195,627.90, 646,109,741.78 and 280,023,918.51 is: 386,432,873.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,195,627.90 : 646,109,741.78 = 280,023,918.51 : x
  2. Step 2: Convert to fraction form
    468,195,627.90/646,109,741.78 = 280,023,918.51/x
  3. Step 3: Cross multiply
    468,195,627.90x = 646,109,741.78 × 280,023,918.51
  4. Step 4: Simplify right side
    468,195,627.90x = 180,926,181,679,319,744
  5. Step 5: Solve for x
    x = 180,926,181,679,319,744/468,195,627.90
  6. Step 6: Final answer
    x = 386,432,873.14

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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.