Home / 722,082,839,340.34-1,083,128,874,562.30-212,139,520,611.25

Finding the Fourth Proportional to 722,082,839,340.34, 1,083,128,874,562.30 and 212,139,520,611.25

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Solution

The fourth proportional to 722,082,839,340.34, 1,083,128,874,562.30 and 212,139,520,611.25 is: 318,210,636,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,082,839,340.34 : 1,083,128,874,562.30 = 212,139,520,611.25 : x
  2. Step 2: Convert to fraction form
    722,082,839,340.34/1,083,128,874,562.30 = 212,139,520,611.25/x
  3. Step 3: Cross multiply
    722,082,839,340.34x = 1,083,128,874,562.30 × 212,139,520,611.25
  4. Step 4: Simplify right side
    722,082,839,340.34x = 229,774,440,209,849,071,435,776
  5. Step 5: Solve for x
    x = 229,774,440,209,849,071,435,776/722,082,839,340.34
  6. Step 6: Final answer
    x = 318,210,636,912.19

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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.