Home / 5,318,784,003.60-7,978,176,005.40-3,223,631,005.20

Finding the Fourth Proportional to 5,318,784,003.60, 7,978,176,005.40 and 3,223,631,005.20

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Solution

The fourth proportional to 5,318,784,003.60, 7,978,176,005.40 and 3,223,631,005.20 is: 4,835,446,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,003.60 : 7,978,176,005.40 = 3,223,631,005.20 : x
  2. Step 2: Convert to fraction form
    5,318,784,003.60/7,978,176,005.40 = 3,223,631,005.20/x
  3. Step 3: Cross multiply
    5,318,784,003.60x = 7,978,176,005.40 × 3,223,631,005.20
  4. Step 4: Simplify right side
    5,318,784,003.60x = 25,718,695,535,950,118,912
  5. Step 5: Solve for x
    x = 25,718,695,535,950,118,912/5,318,784,003.60
  6. Step 6: Final answer
    x = 4,835,446,507.80

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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.