Home / 2,155,022,358,039.80-3,232,541,923,564.20-521,365,230,307.64

Finding the Fourth Proportional to 2,155,022,358,039.80, 3,232,541,923,564.20 and 521,365,230,307.64

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Solution

The fourth proportional to 2,155,022,358,039.80, 3,232,541,923,564.20 and 521,365,230,307.64 is: 782,049,874,411.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,022,358,039.80 : 3,232,541,923,564.20 = 521,365,230,307.64 : x
  2. Step 2: Convert to fraction form
    2,155,022,358,039.80/3,232,541,923,564.20 = 521,365,230,307.64/x
  3. Step 3: Cross multiply
    2,155,022,358,039.80x = 3,232,541,923,564.20 × 521,365,230,307.64
  4. Step 4: Simplify right side
    2,155,022,358,039.80x = 1,685,334,964,458,150,820,839,424
  5. Step 5: Solve for x
    x = 1,685,334,964,458,150,820,839,424/2,155,022,358,039.80
  6. Step 6: Final answer
    x = 782,049,874,411.11

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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.