Home / 409,460,777.28-614,191,165.95-136,831,544.28

Finding the Fourth Proportional to 409,460,777.28, 614,191,165.95 and 136,831,544.28

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Solution

The fourth proportional to 409,460,777.28, 614,191,165.95 and 136,831,544.28 is: 205,247,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,460,777.28 : 614,191,165.95 = 136,831,544.28 : x
  2. Step 2: Convert to fraction form
    409,460,777.28/614,191,165.95 = 136,831,544.28/x
  3. Step 3: Cross multiply
    409,460,777.28x = 614,191,165.95 × 136,831,544.28
  4. Step 4: Simplify right side
    409,460,777.28x = 84,040,725,720,072,256
  5. Step 5: Solve for x
    x = 84,040,725,720,072,256/409,460,777.28
  6. Step 6: Final answer
    x = 205,247,316.43

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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.