Home / 1,721,394,189.62-2,582,082,617.36-672,238,931.77

Finding the Fourth Proportional to 1,721,394,189.62, 2,582,082,617.36 and 672,238,931.77

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Solution

The fourth proportional to 1,721,394,189.62, 2,582,082,617.36 and 672,238,931.77 is: 1,008,355,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,394,189.62 : 2,582,082,617.36 = 672,238,931.77 : x
  2. Step 2: Convert to fraction form
    1,721,394,189.62/2,582,082,617.36 = 672,238,931.77/x
  3. Step 3: Cross multiply
    1,721,394,189.62x = 2,582,082,617.36 × 672,238,931.77
  4. Step 4: Simplify right side
    1,721,394,189.62x = 1,735,776,460,435,972,096
  5. Step 5: Solve for x
    x = 1,735,776,460,435,972,096/1,721,394,189.62
  6. Step 6: Final answer
    x = 1,008,355,012.99

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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.