Home / 13,902,853,619.80-20,838,156,116.10-5,616,300,122.20

Finding the Fourth Proportional to 13,902,853,619.80, 20,838,156,116.10 and 5,616,300,122.20

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Solution

The fourth proportional to 13,902,853,619.80, 20,838,156,116.10 and 5,616,300,122.20 is: 8,417,936,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,853,619.80 : 20,838,156,116.10 = 5,616,300,122.20 : x
  2. Step 2: Convert to fraction form
    13,902,853,619.80/20,838,156,116.10 = 5,616,300,122.20/x
  3. Step 3: Cross multiply
    13,902,853,619.80x = 20,838,156,116.10 × 5,616,300,122.20
  4. Step 4: Simplify right side
    13,902,853,619.80x = 117,033,338,741,275,099,136
  5. Step 5: Solve for x
    x = 117,033,338,741,275,099,136/13,902,853,619.80
  6. Step 6: Final answer
    x = 8,417,936,485.69

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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.