Home / 805,006,558,481.30-1,207,420,339,279.20-288,087,201,431.16

Finding the Fourth Proportional to 805,006,558,481.30, 1,207,420,339,279.20 and 288,087,201,431.16

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Solution

The fourth proportional to 805,006,558,481.30, 1,207,420,339,279.20 and 288,087,201,431.16 is: 432,098,773,394.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,006,558,481.30 : 1,207,420,339,279.20 = 288,087,201,431.16 : x
  2. Step 2: Convert to fraction form
    805,006,558,481.30/1,207,420,339,279.20 = 288,087,201,431.16/x
  3. Step 3: Cross multiply
    805,006,558,481.30x = 1,207,420,339,279.20 × 288,087,201,431.16
  4. Step 4: Simplify right side
    805,006,558,481.30x = 347,842,346,494,006,365,519,872
  5. Step 5: Solve for x
    x = 347,842,346,494,006,365,519,872/805,006,558,481.30
  6. Step 6: Final answer
    x = 432,098,773,394.14

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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.