Home / 786,954,060.67-1,180,839,624.63-320,957,362.63

Finding the Fourth Proportional to 786,954,060.67, 1,180,839,624.63 and 320,957,362.63

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Solution

The fourth proportional to 786,954,060.67, 1,180,839,624.63 and 320,957,362.63 is: 481,602,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,954,060.67 : 1,180,839,624.63 = 320,957,362.63 : x
  2. Step 2: Convert to fraction form
    786,954,060.67/1,180,839,624.63 = 320,957,362.63/x
  3. Step 3: Cross multiply
    786,954,060.67x = 1,180,839,624.63 × 320,957,362.63
  4. Step 4: Simplify right side
    786,954,060.67x = 378,999,171,610,244,032
  5. Step 5: Solve for x
    x = 378,999,171,610,244,032/786,954,060.67
  6. Step 6: Final answer
    x = 481,602,663.42

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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.