Home / 54,010,585,320.55-80,984,474,426.22-20,436,801,411.58

Finding the Fourth Proportional to 54,010,585,320.55, 80,984,474,426.22 and 20,436,801,411.58

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Solution

The fourth proportional to 54,010,585,320.55, 80,984,474,426.22 and 20,436,801,411.58 is: 30,643,319,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,010,585,320.55 : 80,984,474,426.22 = 20,436,801,411.58 : x
  2. Step 2: Convert to fraction form
    54,010,585,320.55/80,984,474,426.22 = 20,436,801,411.58/x
  3. Step 3: Cross multiply
    54,010,585,320.55x = 80,984,474,426.22 × 20,436,801,411.58
  4. Step 4: Simplify right side
    54,010,585,320.55x = 1,655,063,621,269,532,966,912
  5. Step 5: Solve for x
    x = 1,655,063,621,269,532,966,912/54,010,585,320.55
  6. Step 6: Final answer
    x = 30,643,319,479.82

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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.