Home / 40,338,598,911.40-60,507,898,367.10-12,389,797,856.80

Finding the Fourth Proportional to 40,338,598,911.40, 60,507,898,367.10 and 12,389,797,856.80

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Solution

The fourth proportional to 40,338,598,911.40, 60,507,898,367.10 and 12,389,797,856.80 is: 18,584,696,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338,598,911.40 : 60,507,898,367.10 = 12,389,797,856.80 : x
  2. Step 2: Convert to fraction form
    40,338,598,911.40/60,507,898,367.10 = 12,389,797,856.80/x
  3. Step 3: Cross multiply
    40,338,598,911.40x = 60,507,898,367.10 × 12,389,797,856.80
  4. Step 4: Simplify right side
    40,338,598,911.40x = 749,680,629,508,167,696,384
  5. Step 5: Solve for x
    x = 749,680,629,508,167,696,384/40,338,598,911.40
  6. Step 6: Final answer
    x = 18,584,696,785.20

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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.