Home / 8,818,858,186.56-12,161,849,548.41-6,436,222,113.60

Finding the Fourth Proportional to 8,818,858,186.56, 12,161,849,548.41 and 6,436,222,113.60

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Solution

The fourth proportional to 8,818,858,186.56, 12,161,849,548.41 and 6,436,222,113.60 is: 8,876,020,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818,858,186.56 : 12,161,849,548.41 = 6,436,222,113.60 : x
  2. Step 2: Convert to fraction form
    8,818,858,186.56/12,161,849,548.41 = 6,436,222,113.60/x
  3. Step 3: Cross multiply
    8,818,858,186.56x = 12,161,849,548.41 × 6,436,222,113.60
  4. Step 4: Simplify right side
    8,818,858,186.56x = 78,276,365,005,752,614,912
  5. Step 5: Solve for x
    x = 78,276,365,005,752,614,912/8,818,858,186.56
  6. Step 6: Final answer
    x = 8,876,020,381.53

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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.