Home / 1,278,027,499,475.90-1,763,733,389,201.30-707,744,539,667.88

Finding the Fourth Proportional to 1,278,027,499,475.90, 1,763,733,389,201.30 and 707,744,539,667.88

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Solution

The fourth proportional to 1,278,027,499,475.90, 1,763,733,389,201.30 and 707,744,539,667.88 is: 976,718,166,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,027,499,475.90 : 1,763,733,389,201.30 = 707,744,539,667.88 : x
  2. Step 2: Convert to fraction form
    1,278,027,499,475.90/1,763,733,389,201.30 = 707,744,539,667.88/x
  3. Step 3: Cross multiply
    1,278,027,499,475.90x = 1,763,733,389,201.30 × 707,744,539,667.88
  4. Step 4: Simplify right side
    1,278,027,499,475.90x = 1,248,272,675,637,143,942,463,488
  5. Step 5: Solve for x
    x = 1,248,272,675,637,143,942,463,488/1,278,027,499,475.90
  6. Step 6: Final answer
    x = 976,718,166,196.77

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Double scale
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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.