Home / 6,318,379,827.86-8,719,638,248.87-3,498,987,753.90

Finding the Fourth Proportional to 6,318,379,827.86, 8,719,638,248.87 and 3,498,987,753.90

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Solution

The fourth proportional to 6,318,379,827.86, 8,719,638,248.87 and 3,498,987,753.90 is: 4,828,754,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318,379,827.86 : 8,719,638,248.87 = 3,498,987,753.90 : x
  2. Step 2: Convert to fraction form
    6,318,379,827.86/8,719,638,248.87 = 3,498,987,753.90/x
  3. Step 3: Cross multiply
    6,318,379,827.86x = 8,719,638,248.87 × 3,498,987,753.90
  4. Step 4: Simplify right side
    6,318,379,827.86x = 30,509,907,451,216,674,816
  5. Step 5: Solve for x
    x = 30,509,907,451,216,674,816/6,318,379,827.86
  6. Step 6: Final answer
    x = 4,828,754,883.76

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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.