Home / 9,904,789,729.10-13,668,718,209.28-5,388,694,456.07

Finding the Fourth Proportional to 9,904,789,729.10, 13,668,718,209.28 and 5,388,694,456.07

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Solution

The fourth proportional to 9,904,789,729.10, 13,668,718,209.28 and 5,388,694,456.07 is: 7,436,457,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904,789,729.10 : 13,668,718,209.28 = 5,388,694,456.07 : x
  2. Step 2: Convert to fraction form
    9,904,789,729.10/13,668,718,209.28 = 5,388,694,456.07/x
  3. Step 3: Cross multiply
    9,904,789,729.10x = 13,668,718,209.28 × 5,388,694,456.07
  4. Step 4: Simplify right side
    9,904,789,729.10x = 73,656,546,035,861,848,064
  5. Step 5: Solve for x
    x = 73,656,546,035,861,848,064/9,904,789,729.10
  6. Step 6: Final answer
    x = 7,436,457,315.14

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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.