Home / 6,992,031,068.87-9,648,890,268.41-3,820,146,878.39

Finding the Fourth Proportional to 6,992,031,068.87, 9,648,890,268.41 and 3,820,146,878.39

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Solution

The fourth proportional to 6,992,031,068.87, 9,648,890,268.41 and 3,820,146,878.39 is: 5,271,741,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992,031,068.87 : 9,648,890,268.41 = 3,820,146,878.39 : x
  2. Step 2: Convert to fraction form
    6,992,031,068.87/9,648,890,268.41 = 3,820,146,878.39/x
  3. Step 3: Cross multiply
    6,992,031,068.87x = 9,648,890,268.41 × 3,820,146,878.39
  4. Step 4: Simplify right side
    6,992,031,068.87x = 36,860,178,038,755,422,208
  5. Step 5: Solve for x
    x = 36,860,178,038,755,422,208/6,992,031,068.87
  6. Step 6: Final answer
    x = 5,271,741,168.73

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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.