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Finding the Fourth Proportional to 1,067,691,269.60, 1,601,536,904.40 and 838,367,698.40

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Solution

The fourth proportional to 1,067,691,269.60, 1,601,536,904.40 and 838,367,698.40 is: 1,257,551,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,691,269.60 : 1,601,536,904.40 = 838,367,698.40 : x
  2. Step 2: Convert to fraction form
    1,067,691,269.60/1,601,536,904.40 = 838,367,698.40/x
  3. Step 3: Cross multiply
    1,067,691,269.60x = 1,601,536,904.40 × 838,367,698.40
  4. Step 4: Simplify right side
    1,067,691,269.60x = 1,342,676,808,444,488,960
  5. Step 5: Solve for x
    x = 1,342,676,808,444,488,960/1,067,691,269.60
  6. Step 6: Final answer
    x = 1,257,551,547.60

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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.