Home / 20,360,796,794.47-28,101,789,732.04-13,482,060,771.22

Finding the Fourth Proportional to 20,360,796,794.47, 28,101,789,732.04 and 13,482,060,771.22

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Solution

The fourth proportional to 20,360,796,794.47, 28,101,789,732.04 and 13,482,060,771.22 is: 18,607,819,761.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,796,794.47 : 28,101,789,732.04 = 13,482,060,771.22 : x
  2. Step 2: Convert to fraction form
    20,360,796,794.47/28,101,789,732.04 = 13,482,060,771.22/x
  3. Step 3: Cross multiply
    20,360,796,794.47x = 28,101,789,732.04 × 13,482,060,771.22
  4. Step 4: Simplify right side
    20,360,796,794.47x = 378,870,036,947,228,491,776
  5. Step 5: Solve for x
    x = 378,870,036,947,228,491,776/20,360,796,794.47
  6. Step 6: Final answer
    x = 18,607,819,761.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.