Home / 655,268,125.72-982,905,863.21-218,567,611.01

Finding the Fourth Proportional to 655,268,125.72, 982,905,863.21 and 218,567,611.01

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Solution

The fourth proportional to 655,268,125.72, 982,905,863.21 and 218,567,611.01 is: 327,852,642.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268,125.72 : 982,905,863.21 = 218,567,611.01 : x
  2. Step 2: Convert to fraction form
    655,268,125.72/982,905,863.21 = 218,567,611.01/x
  3. Step 3: Cross multiply
    655,268,125.72x = 982,905,863.21 × 218,567,611.01
  4. Step 4: Simplify right side
    655,268,125.72x = 214,831,386,363,524,192
  5. Step 5: Solve for x
    x = 214,831,386,363,524,192/655,268,125.72
  6. Step 6: Final answer
    x = 327,852,642.20

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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.