Home / 669,692,139.89-1,004,473,262.84-203,357,603.12

Finding the Fourth Proportional to 669,692,139.89, 1,004,473,262.84 and 203,357,603.12

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Solution

The fourth proportional to 669,692,139.89, 1,004,473,262.84 and 203,357,603.12 is: 305,016,682.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,692,139.89 : 1,004,473,262.84 = 203,357,603.12 : x
  2. Step 2: Convert to fraction form
    669,692,139.89/1,004,473,262.84 = 203,357,603.12/x
  3. Step 3: Cross multiply
    669,692,139.89x = 1,004,473,262.84 × 203,357,603.12
  4. Step 4: Simplify right side
    669,692,139.89x = 204,267,275,123,229,024
  5. Step 5: Solve for x
    x = 204,267,275,123,229,024/669,692,139.89
  6. Step 6: Final answer
    x = 305,016,682.98

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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.