Home / 7,129,347,940.42-9,839,523,269.88-4,271,603,010.82

Finding the Fourth Proportional to 7,129,347,940.42, 9,839,523,269.88 and 4,271,603,010.82

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Solution

The fourth proportional to 7,129,347,940.42, 9,839,523,269.88 and 4,271,603,010.82 is: 5,895,425,160.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,347,940.42 : 9,839,523,269.88 = 4,271,603,010.82 : x
  2. Step 2: Convert to fraction form
    7,129,347,940.42/9,839,523,269.88 = 4,271,603,010.82/x
  3. Step 3: Cross multiply
    7,129,347,940.42x = 9,839,523,269.88 × 4,271,603,010.82
  4. Step 4: Simplify right side
    7,129,347,940.42x = 42,030,537,224,652,857,344
  5. Step 5: Solve for x
    x = 42,030,537,224,652,857,344/7,129,347,940.42
  6. Step 6: Final answer
    x = 5,895,425,160.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.