Home / 655,268,007.66-982,905,685.90-218,567,492.95

Finding the Fourth Proportional to 655,268,007.66, 982,905,685.90 and 218,567,492.95

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Solution

The fourth proportional to 655,268,007.66, 982,905,685.90 and 218,567,492.95 is: 327,852,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268,007.66 : 982,905,685.90 = 218,567,492.95 : x
  2. Step 2: Convert to fraction form
    655,268,007.66/982,905,685.90 = 218,567,492.95/x
  3. Step 3: Cross multiply
    655,268,007.66x = 982,905,685.90 × 218,567,492.95
  4. Step 4: Simplify right side
    655,268,007.66x = 214,831,231,573,463,136
  5. Step 5: Solve for x
    x = 214,831,231,573,463,136/655,268,007.66
  6. Step 6: Final answer
    x = 327,852,465.04

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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.