Home / 242,328,806,980.67-363,493,210,496.03-80,980,213,757.39

Finding the Fourth Proportional to 242,328,806,980.67, 363,493,210,496.03 and 80,980,213,757.39

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Solution

The fourth proportional to 242,328,806,980.67, 363,493,210,496.03 and 80,980,213,757.39 is: 121,470,320,644.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,328,806,980.67 : 363,493,210,496.03 = 80,980,213,757.39 : x
  2. Step 2: Convert to fraction form
    242,328,806,980.67/363,493,210,496.03 = 80,980,213,757.39/x
  3. Step 3: Cross multiply
    242,328,806,980.67x = 363,493,210,496.03 × 80,980,213,757.39
  4. Step 4: Simplify right side
    242,328,806,980.67x = 29,435,757,885,328,470,310,912
  5. Step 5: Solve for x
    x = 29,435,757,885,328,470,310,912/242,328,806,980.67
  6. Step 6: Final answer
    x = 121,470,320,644.45

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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.