Home / 20,883,519,762.59-28,819,260,381.31-11,368,143,748.24

Finding the Fourth Proportional to 20,883,519,762.59, 28,819,260,381.31 and 11,368,143,748.24

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Solution

The fourth proportional to 20,883,519,762.59, 28,819,260,381.31 and 11,368,143,748.24 is: 15,688,040,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,519,762.59 : 28,819,260,381.31 = 11,368,143,748.24 : x
  2. Step 2: Convert to fraction form
    20,883,519,762.59/28,819,260,381.31 = 11,368,143,748.24/x
  3. Step 3: Cross multiply
    20,883,519,762.59x = 28,819,260,381.31 × 11,368,143,748.24
  4. Step 4: Simplify right side
    20,883,519,762.59x = 327,621,494,732,569,378,816
  5. Step 5: Solve for x
    x = 327,621,494,732,569,378,816/20,883,519,762.59
  6. Step 6: Final answer
    x = 15,688,040,064.94

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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.