Home / 765,286,235.43-1,056,027,634.65-426,169,091.49

Finding the Fourth Proportional to 765,286,235.43, 1,056,027,634.65 and 426,169,091.49

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Solution

The fourth proportional to 765,286,235.43, 1,056,027,634.65 and 426,169,091.49 is: 588,075,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,286,235.43 : 1,056,027,634.65 = 426,169,091.49 : x
  2. Step 2: Convert to fraction form
    765,286,235.43/1,056,027,634.65 = 426,169,091.49/x
  3. Step 3: Cross multiply
    765,286,235.43x = 1,056,027,634.65 × 426,169,091.49
  4. Step 4: Simplify right side
    765,286,235.43x = 450,046,337,647,124,160
  5. Step 5: Solve for x
    x = 450,046,337,647,124,160/765,286,235.43
  6. Step 6: Final answer
    x = 588,075,829.42

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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.