Home / 889,745,067.60-1,334,617,601.40-829,278,891.60

Finding the Fourth Proportional to 889,745,067.60, 1,334,617,601.40 and 829,278,891.60

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Solution

The fourth proportional to 889,745,067.60, 1,334,617,601.40 and 829,278,891.60 is: 1,243,918,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,745,067.60 : 1,334,617,601.40 = 829,278,891.60 : x
  2. Step 2: Convert to fraction form
    889,745,067.60/1,334,617,601.40 = 829,278,891.60/x
  3. Step 3: Cross multiply
    889,745,067.60x = 1,334,617,601.40 × 829,278,891.60
  4. Step 4: Simplify right side
    889,745,067.60x = 1,106,770,205,198,842,752
  5. Step 5: Solve for x
    x = 1,106,770,205,198,842,752/889,745,067.60
  6. Step 6: Final answer
    x = 1,243,918,337.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.