Home / 20,883,519,770.47-28,819,260,392.18-11,368,143,756.12

Finding the Fourth Proportional to 20,883,519,770.47, 28,819,260,392.18 and 11,368,143,756.12

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Solution

The fourth proportional to 20,883,519,770.47, 28,819,260,392.18 and 11,368,143,756.12 is: 15,688,040,075.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883,519,770.47 : 28,819,260,392.18 = 11,368,143,756.12 : x
  2. Step 2: Convert to fraction form
    20,883,519,770.47/28,819,260,392.18 = 11,368,143,756.12/x
  3. Step 3: Cross multiply
    20,883,519,770.47x = 28,819,260,392.18 × 11,368,143,756.12
  4. Step 4: Simplify right side
    20,883,519,770.47x = 327,621,495,083,357,503,488
  5. Step 5: Solve for x
    x = 327,621,495,083,357,503,488/20,883,519,770.47
  6. Step 6: Final answer
    x = 15,688,040,075.82

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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.