Home / 1,401,418,721.01-1,933,046,578-898,831,438.21

Finding the Fourth Proportional to 1,401,418,721.01, 1,933,046,578 and 898,831,438.21

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Solution

The fourth proportional to 1,401,418,721.01, 1,933,046,578 and 898,831,438.21 is: 1,239,802,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,418,721.01 : 1,933,046,578 = 898,831,438.21 : x
  2. Step 2: Convert to fraction form
    1,401,418,721.01/1,933,046,578 = 898,831,438.21/x
  3. Step 3: Cross multiply
    1,401,418,721.01x = 1,933,046,578 × 898,831,438.21
  4. Step 4: Simplify right side
    1,401,418,721.01x = 1,737,483,035,830,659,072
  5. Step 5: Solve for x
    x = 1,737,483,035,830,659,072/1,401,418,721.01
  6. Step 6: Final answer
    x = 1,239,802,929.55

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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.