Home / 1,278,027,499,481.90-1,763,733,389,209.60-707,744,539,673.88

Finding the Fourth Proportional to 1,278,027,499,481.90, 1,763,733,389,209.60 and 707,744,539,673.88

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Solution

The fourth proportional to 1,278,027,499,481.90, 1,763,733,389,209.60 and 707,744,539,673.88 is: 976,718,166,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,027,499,481.90 : 1,763,733,389,209.60 = 707,744,539,673.88 : x
  2. Step 2: Convert to fraction form
    1,278,027,499,481.90/1,763,733,389,209.60 = 707,744,539,673.88/x
  3. Step 3: Cross multiply
    1,278,027,499,481.90x = 1,763,733,389,209.60 × 707,744,539,673.88
  4. Step 4: Simplify right side
    1,278,027,499,481.90x = 1,248,272,675,653,600,646,529,024
  5. Step 5: Solve for x
    x = 1,248,272,675,653,600,646,529,024/1,278,027,499,481.90
  6. Step 6: Final answer
    x = 976,718,166,205.06

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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.