Home / 5,256,704,455.20-7,884,544,244.40-1,379,310,919.20

Finding the Fourth Proportional to 5,256,704,455.20, 7,884,544,244.40 and 1,379,310,919.20

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Solution

The fourth proportional to 5,256,704,455.20, 7,884,544,244.40 and 1,379,310,919.20 is: 2,068,831,919.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256,704,455.20 : 7,884,544,244.40 = 1,379,310,919.20 : x
  2. Step 2: Convert to fraction form
    5,256,704,455.20/7,884,544,244.40 = 1,379,310,919.20/x
  3. Step 3: Cross multiply
    5,256,704,455.20x = 7,884,544,244.40 × 1,379,310,919.20
  4. Step 4: Simplify right side
    5,256,704,455.20x = 10,875,237,969,216,434,176
  5. Step 5: Solve for x
    x = 10,875,237,969,216,434,176/5,256,704,455.20
  6. Step 6: Final answer
    x = 2,068,831,919.68

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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.