Home / 1,638,364,262.67-2,261,557,528.55-1,073,885,521.44

Finding the Fourth Proportional to 1,638,364,262.67, 2,261,557,528.55 and 1,073,885,521.44

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Solution

The fourth proportional to 1,638,364,262.67, 2,261,557,528.55 and 1,073,885,521.44 is: 1,482,365,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,364,262.67 : 2,261,557,528.55 = 1,073,885,521.44 : x
  2. Step 2: Convert to fraction form
    1,638,364,262.67/2,261,557,528.55 = 1,073,885,521.44/x
  3. Step 3: Cross multiply
    1,638,364,262.67x = 2,261,557,528.55 × 1,073,885,521.44
  4. Step 4: Simplify right side
    1,638,364,262.67x = 2,428,653,885,824,956,416
  5. Step 5: Solve for x
    x = 2,428,653,885,824,956,416/1,638,364,262.67
  6. Step 6: Final answer
    x = 1,482,365,027.83

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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.