Home / 722,225,082.88-1,082,996,111.92-279,774,985.50

Finding the Fourth Proportional to 722,225,082.88, 1,082,996,111.92 and 279,774,985.50

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Solution

The fourth proportional to 722,225,082.88, 1,082,996,111.92 and 279,774,985.50 is: 419,530,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,225,082.88 : 1,082,996,111.92 = 279,774,985.50 : x
  2. Step 2: Convert to fraction form
    722,225,082.88/1,082,996,111.92 = 279,774,985.50/x
  3. Step 3: Cross multiply
    722,225,082.88x = 1,082,996,111.92 × 279,774,985.50
  4. Step 4: Simplify right side
    722,225,082.88x = 302,995,221,508,974,400
  5. Step 5: Solve for x
    x = 302,995,221,508,974,400/722,225,082.88
  6. Step 6: Final answer
    x = 419,530,183.44

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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.