Home / 14,989,385,914.56-20,684,642,951.16-8,971,207,187.76

Finding the Fourth Proportional to 14,989,385,914.56, 20,684,642,951.16 and 8,971,207,187.76

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Solution

The fourth proportional to 14,989,385,914.56, 20,684,642,951.16 and 8,971,207,187.76 is: 12,379,841,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989,385,914.56 : 20,684,642,951.16 = 8,971,207,187.76 : x
  2. Step 2: Convert to fraction form
    14,989,385,914.56/20,684,642,951.16 = 8,971,207,187.76/x
  3. Step 3: Cross multiply
    14,989,385,914.56x = 20,684,642,951.16 × 8,971,207,187.76
  4. Step 4: Simplify right side
    14,989,385,914.56x = 185,566,217,519,695,822,848
  5. Step 5: Solve for x
    x = 185,566,217,519,695,822,848/14,989,385,914.56
  6. Step 6: Final answer
    x = 12,379,841,214.14

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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.