Home / 722,082,839,339.34-1,083,128,874,560.80-212,139,520,610.25

Finding the Fourth Proportional to 722,082,839,339.34, 1,083,128,874,560.80 and 212,139,520,610.25

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Solution

The fourth proportional to 722,082,839,339.34, 1,083,128,874,560.80 and 212,139,520,610.25 is: 318,210,636,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,082,839,339.34 : 1,083,128,874,560.80 = 212,139,520,610.25 : x
  2. Step 2: Convert to fraction form
    722,082,839,339.34/1,083,128,874,560.80 = 212,139,520,610.25/x
  3. Step 3: Cross multiply
    722,082,839,339.34x = 1,083,128,874,560.80 × 212,139,520,610.25
  4. Step 4: Simplify right side
    722,082,839,339.34x = 229,774,440,208,447,737,692,160
  5. Step 5: Solve for x
    x = 229,774,440,208,447,737,692,160/722,082,839,339.34
  6. Step 6: Final answer
    x = 318,210,636,910.69

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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.