Home / 876,513,631.14-1,209,589,235.03-480,061,553.85

Finding the Fourth Proportional to 876,513,631.14, 1,209,589,235.03 and 480,061,553.85

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Solution

The fourth proportional to 876,513,631.14, 1,209,589,235.03 and 480,061,553.85 is: 662,485,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,513,631.14 : 1,209,589,235.03 = 480,061,553.85 : x
  2. Step 2: Convert to fraction form
    876,513,631.14/1,209,589,235.03 = 480,061,553.85/x
  3. Step 3: Cross multiply
    876,513,631.14x = 1,209,589,235.03 × 480,061,553.85
  4. Step 4: Simplify right side
    876,513,631.14x = 580,677,287,689,934,848
  5. Step 5: Solve for x
    x = 580,677,287,689,934,848/876,513,631.14
  6. Step 6: Final answer
    x = 662,485,176.57

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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.