Home / 1,067,708,890.60-1,601,563,335.90-838,385,319.40

Finding the Fourth Proportional to 1,067,708,890.60, 1,601,563,335.90 and 838,385,319.40

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Solution

The fourth proportional to 1,067,708,890.60, 1,601,563,335.90 and 838,385,319.40 is: 1,257,577,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,708,890.60 : 1,601,563,335.90 = 838,385,319.40 : x
  2. Step 2: Convert to fraction form
    1,067,708,890.60/1,601,563,335.90 = 838,385,319.40/x
  3. Step 3: Cross multiply
    1,067,708,890.60x = 1,601,563,335.90 × 838,385,319.40
  4. Step 4: Simplify right side
    1,067,708,890.60x = 1,342,727,188,907,851,008
  5. Step 5: Solve for x
    x = 1,342,727,188,907,851,008/1,067,708,890.60
  6. Step 6: Final answer
    x = 1,257,577,979.10

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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.