Home / 1,976,820,078.29-2,728,004,221.67-1,084,761,729.86

Finding the Fourth Proportional to 1,976,820,078.29, 2,728,004,221.67 and 1,084,761,729.86

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Solution

The fourth proportional to 1,976,820,078.29, 2,728,004,221.67 and 1,084,761,729.86 is: 1,496,967,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,820,078.29 : 2,728,004,221.67 = 1,084,761,729.86 : x
  2. Step 2: Convert to fraction form
    1,976,820,078.29/2,728,004,221.67 = 1,084,761,729.86/x
  3. Step 3: Cross multiply
    1,976,820,078.29x = 2,728,004,221.67 × 1,084,761,729.86
  4. Step 4: Simplify right side
    1,976,820,078.29x = 2,959,234,578,545,068,032
  5. Step 5: Solve for x
    x = 2,959,234,578,545,068,032/1,976,820,078.29
  6. Step 6: Final answer
    x = 1,496,967,079.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.