Home / 354,619,904.10-531,929,856.15-218,571,008.10

Finding the Fourth Proportional to 354,619,904.10, 531,929,856.15 and 218,571,008.10

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Solution

The fourth proportional to 354,619,904.10, 531,929,856.15 and 218,571,008.10 is: 327,856,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,619,904.10 : 531,929,856.15 = 218,571,008.10 : x
  2. Step 2: Convert to fraction form
    354,619,904.10/531,929,856.15 = 218,571,008.10/x
  3. Step 3: Cross multiply
    354,619,904.10x = 531,929,856.15 × 218,571,008.10
  4. Step 4: Simplify right side
    354,619,904.10x = 116,264,444,897,193,472
  5. Step 5: Solve for x
    x = 116,264,444,897,193,472/354,619,904.10
  6. Step 6: Final answer
    x = 327,856,512.15

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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.