Home / 859,651,262.10-1,289,729,885.31-277,374,584.34

Finding the Fourth Proportional to 859,651,262.10, 1,289,729,885.31 and 277,374,584.34

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Solution

The fourth proportional to 859,651,262.10, 1,289,729,885.31 and 277,374,584.34 is: 416,143,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,651,262.10 : 1,289,729,885.31 = 277,374,584.34 : x
  2. Step 2: Convert to fraction form
    859,651,262.10/1,289,729,885.31 = 277,374,584.34/x
  3. Step 3: Cross multiply
    859,651,262.10x = 1,289,729,885.31 × 277,374,584.34
  4. Step 4: Simplify right side
    859,651,262.10x = 357,738,290,848,737,088
  5. Step 5: Solve for x
    x = 357,738,290,848,737,088/859,651,262.10
  6. Step 6: Final answer
    x = 416,143,506.82

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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.