Home / 1,185,633,696.96-1,636,918,212.64-762,981,684.56

Finding the Fourth Proportional to 1,185,633,696.96, 1,636,918,212.64 and 762,981,684.56

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Solution

The fourth proportional to 1,185,633,696.96, 1,636,918,212.64 and 762,981,684.56 is: 1,053,393,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,633,696.96 : 1,636,918,212.64 = 762,981,684.56 : x
  2. Step 2: Convert to fraction form
    1,185,633,696.96/1,636,918,212.64 = 762,981,684.56/x
  3. Step 3: Cross multiply
    1,185,633,696.96x = 1,636,918,212.64 × 762,981,684.56
  4. Step 4: Simplify right side
    1,185,633,696.96x = 1,248,938,615,367,011,584
  5. Step 5: Solve for x
    x = 1,248,938,615,367,011,584/1,185,633,696.96
  6. Step 6: Final answer
    x = 1,053,393,319.18

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Double scale
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1.5x scale

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.