Home / 655,268,117.72-982,905,851.21-218,567,603.00

Finding the Fourth Proportional to 655,268,117.72, 982,905,851.21 and 218,567,603.00

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Solution

The fourth proportional to 655,268,117.72, 982,905,851.21 and 218,567,603.00 is: 327,852,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268,117.72 : 982,905,851.21 = 218,567,603.00 : x
  2. Step 2: Convert to fraction form
    655,268,117.72/982,905,851.21 = 218,567,603.00/x
  3. Step 3: Cross multiply
    655,268,117.72x = 982,905,851.21 × 218,567,603.00
  4. Step 4: Simplify right side
    655,268,117.72x = 214,831,375,875,008,768
  5. Step 5: Solve for x
    x = 214,831,375,875,008,768/655,268,117.72
  6. Step 6: Final answer
    x = 327,852,630.19

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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.