Home / 655,268,030.62-982,905,720.28-218,567,515.93

Finding the Fourth Proportional to 655,268,030.62, 982,905,720.28 and 218,567,515.93

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Solution

The fourth proportional to 655,268,030.62, 982,905,720.28 and 218,567,515.93 is: 327,852,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268,030.62 : 982,905,720.28 = 218,567,515.93 : x
  2. Step 2: Convert to fraction form
    655,268,030.62/982,905,720.28 = 218,567,515.93/x
  3. Step 3: Cross multiply
    655,268,030.62x = 982,905,720.28 × 218,567,515.93
  4. Step 4: Simplify right side
    655,268,030.62x = 214,831,261,671,983,360
  5. Step 5: Solve for x
    x = 214,831,261,671,983,360/655,268,030.62
  6. Step 6: Final answer
    x = 327,852,499.49

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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.