Home / 1,418,982,128.58-1,957,911,335.37-792,354,140.58

Finding the Fourth Proportional to 1,418,982,128.58, 1,957,911,335.37 and 792,354,140.58

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Solution

The fourth proportional to 1,418,982,128.58, 1,957,911,335.37 and 792,354,140.58 is: 1,093,290,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,982,128.58 : 1,957,911,335.37 = 792,354,140.58 : x
  2. Step 2: Convert to fraction form
    1,418,982,128.58/1,957,911,335.37 = 792,354,140.58/x
  3. Step 3: Cross multiply
    1,418,982,128.58x = 1,957,911,335.37 × 792,354,140.58
  4. Step 4: Simplify right side
    1,418,982,128.58x = 1,551,359,153,468,936,448
  5. Step 5: Solve for x
    x = 1,551,359,153,468,936,448/1,418,982,128.58
  6. Step 6: Final answer
    x = 1,093,290,128.34

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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.