Home / 1,383,134,363.83-2,071,377,168.45-791,129,856.61

Finding the Fourth Proportional to 1,383,134,363.83, 2,071,377,168.45 and 791,129,856.61

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Solution

The fourth proportional to 1,383,134,363.83, 2,071,377,168.45 and 791,129,856.61 is: 1,184,793,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,134,363.83 : 2,071,377,168.45 = 791,129,856.61 : x
  2. Step 2: Convert to fraction form
    1,383,134,363.83/2,071,377,168.45 = 791,129,856.61/x
  3. Step 3: Cross multiply
    1,383,134,363.83x = 2,071,377,168.45 × 791,129,856.61
  4. Step 4: Simplify right side
    1,383,134,363.83x = 1,638,728,322,261,076,480
  5. Step 5: Solve for x
    x = 1,638,728,322,261,076,480/1,383,134,363.83
  6. Step 6: Final answer
    x = 1,184,793,296.38

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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.