Home / 1,067,746,815.60-1,601,620,223.40-838,423,244.40

Finding the Fourth Proportional to 1,067,746,815.60, 1,601,620,223.40 and 838,423,244.40

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Solution

The fourth proportional to 1,067,746,815.60, 1,601,620,223.40 and 838,423,244.40 is: 1,257,634,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,746,815.60 : 1,601,620,223.40 = 838,423,244.40 : x
  2. Step 2: Convert to fraction form
    1,067,746,815.60/1,601,620,223.40 = 838,423,244.40/x
  3. Step 3: Cross multiply
    1,067,746,815.60x = 1,601,620,223.40 × 838,423,244.40
  4. Step 4: Simplify right side
    1,067,746,815.60x = 1,342,835,623,999,680,768
  5. Step 5: Solve for x
    x = 1,342,835,623,999,680,768/1,067,746,815.60
  6. Step 6: Final answer
    x = 1,257,634,866.60

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Double scale
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Similar ratio
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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.