Home / 1,000,864,496.18-1,381,192,982.77-554,826,729.18

Finding the Fourth Proportional to 1,000,864,496.18, 1,381,192,982.77 and 554,826,729.18

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Solution

The fourth proportional to 1,000,864,496.18, 1,381,192,982.77 and 554,826,729.18 is: 765,660,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,864,496.18 : 1,381,192,982.77 = 554,826,729.18 : x
  2. Step 2: Convert to fraction form
    1,000,864,496.18/1,381,192,982.77 = 554,826,729.18/x
  3. Step 3: Cross multiply
    1,000,864,496.18x = 1,381,192,982.77 × 554,826,729.18
  4. Step 4: Simplify right side
    1,000,864,496.18x = 766,322,784,996,647,168
  5. Step 5: Solve for x
    x = 766,322,784,996,647,168/1,000,864,496.18
  6. Step 6: Final answer
    x = 765,660,874.10

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Half scale
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Double scale
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1.5x scale

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.