Home / 2,640,290,841,460-3,960,431,319,140-827,305,250,357.52

Finding the Fourth Proportional to 2,640,290,841,460, 3,960,431,319,140 and 827,305,250,357.52

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Solution

The fourth proportional to 2,640,290,841,460, 3,960,431,319,140 and 827,305,250,357.52 is: 1,240,956,326,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,290,841,460 : 3,960,431,319,140 = 827,305,250,357.52 : x
  2. Step 2: Convert to fraction form
    2,640,290,841,460/3,960,431,319,140 = 827,305,250,357.52/x
  3. Step 3: Cross multiply
    2,640,290,841,460x = 3,960,431,319,140 × 827,305,250,357.52
  4. Step 4: Simplify right side
    2,640,290,841,460x = 3,276,485,624,004,881,032,413,184
  5. Step 5: Solve for x
    x = 3,276,485,624,004,881,032,413,184/2,640,290,841,460
  6. Step 6: Final answer
    x = 1,240,956,326,687.51

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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.