Home / 10,865,020,121.40-16,297,530,182.10-7,352,407,687.80

Finding the Fourth Proportional to 10,865,020,121.40, 16,297,530,182.10 and 7,352,407,687.80

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Solution

The fourth proportional to 10,865,020,121.40, 16,297,530,182.10 and 7,352,407,687.80 is: 11,028,611,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,020,121.40 : 16,297,530,182.10 = 7,352,407,687.80 : x
  2. Step 2: Convert to fraction form
    10,865,020,121.40/16,297,530,182.10 = 7,352,407,687.80/x
  3. Step 3: Cross multiply
    10,865,020,121.40x = 16,297,530,182.10 × 7,352,407,687.80
  4. Step 4: Simplify right side
    10,865,020,121.40x = 119,826,086,203,024,572,416
  5. Step 5: Solve for x
    x = 119,826,086,203,024,572,416/10,865,020,121.40
  6. Step 6: Final answer
    x = 11,028,611,531.70

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Double scale
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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.