Home / 6,318,379,829.34-8,719,638,250.95-3,498,987,755.40

Finding the Fourth Proportional to 6,318,379,829.34, 8,719,638,250.95 and 3,498,987,755.40

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Solution

The fourth proportional to 6,318,379,829.34, 8,719,638,250.95 and 3,498,987,755.40 is: 4,828,754,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318,379,829.34 : 8,719,638,250.95 = 3,498,987,755.40 : x
  2. Step 2: Convert to fraction form
    6,318,379,829.34/8,719,638,250.95 = 3,498,987,755.40/x
  3. Step 3: Cross multiply
    6,318,379,829.34x = 8,719,638,250.95 × 3,498,987,755.40
  4. Step 4: Simplify right side
    6,318,379,829.34x = 30,509,907,471,591,526,400
  5. Step 5: Solve for x
    x = 30,509,907,471,591,526,400/6,318,379,829.34
  6. Step 6: Final answer
    x = 4,828,754,885.85

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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.