Home / 205,861,213,811.40-308,791,820,717.10-73,315,576,883.40

Finding the Fourth Proportional to 205,861,213,811.40, 308,791,820,717.10 and 73,315,576,883.40

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Solution

The fourth proportional to 205,861,213,811.40, 308,791,820,717.10 and 73,315,576,883.40 is: 109,973,365,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,861,213,811.40 : 308,791,820,717.10 = 73,315,576,883.40 : x
  2. Step 2: Convert to fraction form
    205,861,213,811.40/308,791,820,717.10 = 73,315,576,883.40/x
  3. Step 3: Cross multiply
    205,861,213,811.40x = 308,791,820,717.10 × 73,315,576,883.40
  4. Step 4: Simplify right side
    205,861,213,811.40x = 22,639,250,472,749,609,517,056
  5. Step 5: Solve for x
    x = 22,639,250,472,749,609,517,056/205,861,213,811.40
  6. Step 6: Final answer
    x = 109,973,365,325.10

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1.5x scale

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.