Home / 2,156,191,251.13-2,975,545,910.61-1,166,116,668.13

Finding the Fourth Proportional to 2,156,191,251.13, 2,975,545,910.61 and 1,166,116,668.13

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Solution

The fourth proportional to 2,156,191,251.13, 2,975,545,910.61 and 1,166,116,668.13 is: 1,609,242,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,191,251.13 : 2,975,545,910.61 = 1,166,116,668.13 : x
  2. Step 2: Convert to fraction form
    2,156,191,251.13/2,975,545,910.61 = 1,166,116,668.13/x
  3. Step 3: Cross multiply
    2,156,191,251.13x = 2,975,545,910.61 × 1,166,116,668.13
  4. Step 4: Simplify right side
    2,156,191,251.13x = 3,469,833,683,148,380,672
  5. Step 5: Solve for x
    x = 3,469,833,683,148,380,672/2,156,191,251.13
  6. Step 6: Final answer
    x = 1,609,242,075.04

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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.