Home / 20,043,072,914.40-30,090,884,689.44-13,440,247,359.52

Finding the Fourth Proportional to 20,043,072,914.40, 30,090,884,689.44 and 13,440,247,359.52

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Solution

The fourth proportional to 20,043,072,914.40, 30,090,884,689.44 and 13,440,247,359.52 is: 20,177,990,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043,072,914.40 : 30,090,884,689.44 = 13,440,247,359.52 : x
  2. Step 2: Convert to fraction form
    20,043,072,914.40/30,090,884,689.44 = 13,440,247,359.52/x
  3. Step 3: Cross multiply
    20,043,072,914.40x = 30,090,884,689.44 × 13,440,247,359.52
  4. Step 4: Simplify right side
    20,043,072,914.40x = 404,428,933,492,866,744,320
  5. Step 5: Solve for x
    x = 404,428,933,492,866,744,320/20,043,072,914.40
  6. Step 6: Final answer
    x = 20,177,990,431.91

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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.