Home / 7,917,940,155.60-11,884,562,983.80-3,992,079,200.40

Finding the Fourth Proportional to 7,917,940,155.60, 11,884,562,983.80 and 3,992,079,200.40

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Solution

The fourth proportional to 7,917,940,155.60, 11,884,562,983.80 and 3,992,079,200.40 is: 5,991,977,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917,940,155.60 : 11,884,562,983.80 = 3,992,079,200.40 : x
  2. Step 2: Convert to fraction form
    7,917,940,155.60/11,884,562,983.80 = 3,992,079,200.40/x
  3. Step 3: Cross multiply
    7,917,940,155.60x = 11,884,562,983.80 × 3,992,079,200.40
  4. Step 4: Simplify right side
    7,917,940,155.60x = 47,444,116,693,471,739,904
  5. Step 5: Solve for x
    x = 47,444,116,693,471,739,904/7,917,940,155.60
  6. Step 6: Final answer
    x = 5,991,977,176.02

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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.