Home / 8,191,296,961.58-12,287,490,280.07-2,878,766,601.95

Finding the Fourth Proportional to 8,191,296,961.58, 12,287,490,280.07 and 2,878,766,601.95

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Solution

The fourth proportional to 8,191,296,961.58, 12,287,490,280.07 and 2,878,766,601.95 is: 4,318,341,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,296,961.58 : 12,287,490,280.07 = 2,878,766,601.95 : x
  2. Step 2: Convert to fraction form
    8,191,296,961.58/12,287,490,280.07 = 2,878,766,601.95/x
  3. Step 3: Cross multiply
    8,191,296,961.58x = 12,287,490,280.07 × 2,878,766,601.95
  4. Step 4: Simplify right side
    8,191,296,961.58x = 35,372,816,640,065,867,776
  5. Step 5: Solve for x
    x = 35,372,816,640,065,867,776/8,191,296,961.58
  6. Step 6: Final answer
    x = 4,318,341,381.83

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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.