Home / 655,268,032.87-982,905,723.65-218,567,518.18

Finding the Fourth Proportional to 655,268,032.87, 982,905,723.65 and 218,567,518.18

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Solution

The fourth proportional to 655,268,032.87, 982,905,723.65 and 218,567,518.18 is: 327,852,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268,032.87 : 982,905,723.65 = 218,567,518.18 : x
  2. Step 2: Convert to fraction form
    655,268,032.87/982,905,723.65 = 218,567,518.18/x
  3. Step 3: Cross multiply
    655,268,032.87x = 982,905,723.65 × 218,567,518.18
  4. Step 4: Simplify right side
    655,268,032.87x = 214,831,264,621,186,592
  5. Step 5: Solve for x
    x = 214,831,264,621,186,592/655,268,032.87
  6. Step 6: Final answer
    x = 327,852,502.86

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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.