Home / 1,992,765,639.36-2,750,016,477.28-1,076,184,644.78

Finding the Fourth Proportional to 1,992,765,639.36, 2,750,016,477.28 and 1,076,184,644.78

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Solution

The fourth proportional to 1,992,765,639.36, 2,750,016,477.28 and 1,076,184,644.78 is: 1,485,134,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,765,639.36 : 2,750,016,477.28 = 1,076,184,644.78 : x
  2. Step 2: Convert to fraction form
    1,992,765,639.36/2,750,016,477.28 = 1,076,184,644.78/x
  3. Step 3: Cross multiply
    1,992,765,639.36x = 2,750,016,477.28 × 1,076,184,644.78
  4. Step 4: Simplify right side
    1,992,765,639.36x = 2,959,525,505,740,723,712
  5. Step 5: Solve for x
    x = 2,959,525,505,740,723,712/1,992,765,639.36
  6. Step 6: Final answer
    x = 1,485,134,753.07

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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.