Home / 12,197,795,154.68-18,297,533,252.56-5,108,139,777.62

Finding the Fourth Proportional to 12,197,795,154.68, 18,297,533,252.56 and 5,108,139,777.62

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Solution

The fourth proportional to 12,197,795,154.68, 18,297,533,252.56 and 5,108,139,777.62 is: 7,662,561,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197,795,154.68 : 18,297,533,252.56 = 5,108,139,777.62 : x
  2. Step 2: Convert to fraction form
    12,197,795,154.68/18,297,533,252.56 = 5,108,139,777.62/x
  3. Step 3: Cross multiply
    12,197,795,154.68x = 18,297,533,252.56 × 5,108,139,777.62
  4. Step 4: Simplify right side
    12,197,795,154.68x = 93,466,357,439,726,403,584
  5. Step 5: Solve for x
    x = 93,466,357,439,726,403,584/12,197,795,154.68
  6. Step 6: Final answer
    x = 7,662,561,655.98

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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.