Home / 20,706,048,028.80-31,059,072,043.20-6,731,642,908.80

Finding the Fourth Proportional to 20,706,048,028.80, 31,059,072,043.20 and 6,731,642,908.80

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Solution

The fourth proportional to 20,706,048,028.80, 31,059,072,043.20 and 6,731,642,908.80 is: 10,097,464,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,048,028.80 : 31,059,072,043.20 = 6,731,642,908.80 : x
  2. Step 2: Convert to fraction form
    20,706,048,028.80/31,059,072,043.20 = 6,731,642,908.80/x
  3. Step 3: Cross multiply
    20,706,048,028.80x = 31,059,072,043.20 × 6,731,642,908.80
  4. Step 4: Simplify right side
    20,706,048,028.80x = 209,078,582,073,515,606,016
  5. Step 5: Solve for x
    x = 209,078,582,073,515,606,016/20,706,048,028.80
  6. Step 6: Final answer
    x = 10,097,464,363.20

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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.