Home / 1,185,633,720.96-1,636,918,245.76-762,981,708.48

Finding the Fourth Proportional to 1,185,633,720.96, 1,636,918,245.76 and 762,981,708.48

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Solution

The fourth proportional to 1,185,633,720.96, 1,636,918,245.76 and 762,981,708.48 is: 1,053,393,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,633,720.96 : 1,636,918,245.76 = 762,981,708.48 : x
  2. Step 2: Convert to fraction form
    1,185,633,720.96/1,636,918,245.76 = 762,981,708.48/x
  3. Step 3: Cross multiply
    1,185,633,720.96x = 1,636,918,245.76 × 762,981,708.48
  4. Step 4: Simplify right side
    1,185,633,720.96x = 1,248,938,679,792,049,408
  5. Step 5: Solve for x
    x = 1,248,938,679,792,049,408/1,185,633,720.96
  6. Step 6: Final answer
    x = 1,053,393,352.19

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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.