Home / 3,911,118,045.60-5,866,677,068.40-2,992,787,997.60

Finding the Fourth Proportional to 3,911,118,045.60, 5,866,677,068.40 and 2,992,787,997.60

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Solution

The fourth proportional to 3,911,118,045.60, 5,866,677,068.40 and 2,992,787,997.60 is: 4,489,181,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,118,045.60 : 5,866,677,068.40 = 2,992,787,997.60 : x
  2. Step 2: Convert to fraction form
    3,911,118,045.60/5,866,677,068.40 = 2,992,787,997.60/x
  3. Step 3: Cross multiply
    3,911,118,045.60x = 5,866,677,068.40 × 2,992,787,997.60
  4. Step 4: Simplify right side
    3,911,118,045.60x = 17,557,720,716,102,672,384
  5. Step 5: Solve for x
    x = 17,557,720,716,102,672,384/3,911,118,045.60
  6. Step 6: Final answer
    x = 4,489,181,996.40

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Half scale
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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.