Home / 471,238,156.42-706,620,743.38-274,565,128.34

Finding the Fourth Proportional to 471,238,156.42, 706,620,743.38 and 274,565,128.34

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Solution

The fourth proportional to 471,238,156.42, 706,620,743.38 and 274,565,128.34 is: 411,709,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,238,156.42 : 706,620,743.38 = 274,565,128.34 : x
  2. Step 2: Convert to fraction form
    471,238,156.42/706,620,743.38 = 274,565,128.34/x
  3. Step 3: Cross multiply
    471,238,156.42x = 706,620,743.38 × 274,565,128.34
  4. Step 4: Simplify right side
    471,238,156.42x = 194,013,415,095,945,664
  5. Step 5: Solve for x
    x = 194,013,415,095,945,664/471,238,156.42
  6. Step 6: Final answer
    x = 411,709,901.78

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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.