Home / 1,618,634,999.52-2,427,958,797.84-391,801,482.72

Finding the Fourth Proportional to 1,618,634,999.52, 2,427,958,797.84 and 391,801,482.72

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Solution

The fourth proportional to 1,618,634,999.52, 2,427,958,797.84 and 391,801,482.72 is: 587,703,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,634,999.52 : 2,427,958,797.84 = 391,801,482.72 : x
  2. Step 2: Convert to fraction form
    1,618,634,999.52/2,427,958,797.84 = 391,801,482.72/x
  3. Step 3: Cross multiply
    1,618,634,999.52x = 2,427,958,797.84 × 391,801,482.72
  4. Step 4: Simplify right side
    1,618,634,999.52x = 951,277,856,976,780,800
  5. Step 5: Solve for x
    x = 951,277,856,976,780,800/1,618,634,999.52
  6. Step 6: Final answer
    x = 587,703,748.69

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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.