Home / 480,701,403.05-721,030,436.87-200,466,921.29

Finding the Fourth Proportional to 480,701,403.05, 721,030,436.87 and 200,466,921.29

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Solution

The fourth proportional to 480,701,403.05, 721,030,436.87 and 200,466,921.29 is: 300,691,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,701,403.05 : 721,030,436.87 = 200,466,921.29 : x
  2. Step 2: Convert to fraction form
    480,701,403.05/721,030,436.87 = 200,466,921.29/x
  3. Step 3: Cross multiply
    480,701,403.05x = 721,030,436.87 × 200,466,921.29
  4. Step 4: Simplify right side
    480,701,403.05x = 144,542,751,831,105,120
  5. Step 5: Solve for x
    x = 144,542,751,831,105,120/480,701,403.05
  6. Step 6: Final answer
    x = 300,691,345.84

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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.