Home / 20,883,519,764.84-28,819,260,384.41-11,368,143,750.49

Finding the Fourth Proportional to 20,883,519,764.84, 28,819,260,384.41 and 11,368,143,750.49

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Solution

The fourth proportional to 20,883,519,764.84, 28,819,260,384.41 and 11,368,143,750.49 is: 15,688,040,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,519,764.84 : 28,819,260,384.41 = 11,368,143,750.49 : x
  2. Step 2: Convert to fraction form
    20,883,519,764.84/28,819,260,384.41 = 11,368,143,750.49/x
  3. Step 3: Cross multiply
    20,883,519,764.84x = 28,819,260,384.41 × 11,368,143,750.49
  4. Step 4: Simplify right side
    20,883,519,764.84x = 327,621,494,832,722,214,912
  5. Step 5: Solve for x
    x = 327,621,494,832,722,214,912/20,883,519,764.84
  6. Step 6: Final answer
    x = 15,688,040,068.05

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1.5x scale

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.