Home / 1,285,488,834.84-1,773,994,029.24-721,098,825.48

Finding the Fourth Proportional to 1,285,488,834.84, 1,773,994,029.24 and 721,098,825.48

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Solution

The fourth proportional to 1,285,488,834.84, 1,773,994,029.24 and 721,098,825.48 is: 995,127,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,488,834.84 : 1,773,994,029.24 = 721,098,825.48 : x
  2. Step 2: Convert to fraction form
    1,285,488,834.84/1,773,994,029.24 = 721,098,825.48/x
  3. Step 3: Cross multiply
    1,285,488,834.84x = 1,773,994,029.24 × 721,098,825.48
  4. Step 4: Simplify right side
    1,285,488,834.84x = 1,279,225,010,893,496,832
  5. Step 5: Solve for x
    x = 1,279,225,010,893,496,832/1,285,488,834.84
  6. Step 6: Final answer
    x = 995,127,282.50

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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.