Home / 242,328,806,980.46-363,493,210,495.72-80,980,213,757.18

Finding the Fourth Proportional to 242,328,806,980.46, 363,493,210,495.72 and 80,980,213,757.18

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Solution

The fourth proportional to 242,328,806,980.46, 363,493,210,495.72 and 80,980,213,757.18 is: 121,470,320,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,328,806,980.46 : 363,493,210,495.72 = 80,980,213,757.18 : x
  2. Step 2: Convert to fraction form
    242,328,806,980.46/363,493,210,495.72 = 80,980,213,757.18/x
  3. Step 3: Cross multiply
    242,328,806,980.46x = 363,493,210,495.72 × 80,980,213,757.18
  4. Step 4: Simplify right side
    242,328,806,980.46x = 29,435,757,885,227,026,874,368
  5. Step 5: Solve for x
    x = 29,435,757,885,227,026,874,368/242,328,806,980.46
  6. Step 6: Final answer
    x = 121,470,320,644.13

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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.