Home / 621,081,799.20-930,831,442.20-330,088,327.20

Finding the Fourth Proportional to 621,081,799.20, 930,831,442.20 and 330,088,327.20

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Solution

The fourth proportional to 621,081,799.20, 930,831,442.20 and 330,088,327.20 is: 494,711,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,081,799.20 : 930,831,442.20 = 330,088,327.20 : x
  2. Step 2: Convert to fraction form
    621,081,799.20/930,831,442.20 = 330,088,327.20/x
  3. Step 3: Cross multiply
    621,081,799.20x = 930,831,442.20 × 330,088,327.20
  4. Step 4: Simplify right side
    621,081,799.20x = 307,256,593,660,961,472
  5. Step 5: Solve for x
    x = 307,256,593,660,961,472/621,081,799.20
  6. Step 6: Final answer
    x = 494,711,959.13

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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.