Home / 1,021,937,190,417.90-1,410,707,558,200.30-636,751,845,217.28

Finding the Fourth Proportional to 1,021,937,190,417.90, 1,410,707,558,200.30 and 636,751,845,217.28

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Solution

The fourth proportional to 1,021,937,190,417.90, 1,410,707,558,200.30 and 636,751,845,217.28 is: 878,988,111,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,937,190,417.90 : 1,410,707,558,200.30 = 636,751,845,217.28 : x
  2. Step 2: Convert to fraction form
    1,021,937,190,417.90/1,410,707,558,200.30 = 636,751,845,217.28/x
  3. Step 3: Cross multiply
    1,021,937,190,417.90x = 1,410,707,558,200.30 × 636,751,845,217.28
  4. Step 4: Simplify right side
    1,021,937,190,417.90x = 898,270,640,746,004,530,331,648
  5. Step 5: Solve for x
    x = 898,270,640,746,004,530,331,648/1,021,937,190,417.90
  6. Step 6: Final answer
    x = 878,988,111,176.07

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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.