Home / 1,310,077,253,383.30-1,965,214,686,077.80-391,074,034,601.72

Finding the Fourth Proportional to 1,310,077,253,383.30, 1,965,214,686,077.80 and 391,074,034,601.72

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Solution

The fourth proportional to 1,310,077,253,383.30, 1,965,214,686,077.80 and 391,074,034,601.72 is: 586,640,546,699.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,077,253,383.30 : 1,965,214,686,077.80 = 391,074,034,601.72 : x
  2. Step 2: Convert to fraction form
    1,310,077,253,383.30/1,965,214,686,077.80 = 391,074,034,601.72/x
  3. Step 3: Cross multiply
    1,310,077,253,383.30x = 1,965,214,686,077.80 × 391,074,034,601.72
  4. Step 4: Simplify right side
    1,310,077,253,383.30x = 768,544,436,142,997,873,098,752
  5. Step 5: Solve for x
    x = 768,544,436,142,997,873,098,752/1,310,077,253,383.30
  6. Step 6: Final answer
    x = 586,640,546,699.23

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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.