Home / 5,136,638,380.38-7,088,597,244.63-2,789,794,924.38

Finding the Fourth Proportional to 5,136,638,380.38, 7,088,597,244.63 and 2,789,794,924.38

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Solution

The fourth proportional to 5,136,638,380.38, 7,088,597,244.63 and 2,789,794,924.38 is: 3,849,936,699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,638,380.38 : 7,088,597,244.63 = 2,789,794,924.38 : x
  2. Step 2: Convert to fraction form
    5,136,638,380.38/7,088,597,244.63 = 2,789,794,924.38/x
  3. Step 3: Cross multiply
    5,136,638,380.38x = 7,088,597,244.63 × 2,789,794,924.38
  4. Step 4: Simplify right side
    5,136,638,380.38x = 19,775,732,614,042,828,800
  5. Step 5: Solve for x
    x = 19,775,732,614,042,828,800/5,136,638,380.38
  6. Step 6: Final answer
    x = 3,849,936,699.76

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Double scale
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1.5x scale

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.