Home / 8,159,350,056.87-12,241,522,878.79-4,178,252,940.58

Finding the Fourth Proportional to 8,159,350,056.87, 12,241,522,878.79 and 4,178,252,940.58

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Solution

The fourth proportional to 8,159,350,056.87, 12,241,522,878.79 and 4,178,252,940.58 is: 6,268,658,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159,350,056.87 : 12,241,522,878.79 = 4,178,252,940.58 : x
  2. Step 2: Convert to fraction form
    8,159,350,056.87/12,241,522,878.79 = 4,178,252,940.58/x
  3. Step 3: Cross multiply
    8,159,350,056.87x = 12,241,522,878.79 × 4,178,252,940.58
  4. Step 4: Simplify right side
    8,159,350,056.87x = 51,148,178,965,481,668,608
  5. Step 5: Solve for x
    x = 51,148,178,965,481,668,608/8,159,350,056.87
  6. Step 6: Final answer
    x = 6,268,658,484.93

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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.