Home / 9,940,720,836.38-13,718,486,299.56-5,424,891,464.12

Finding the Fourth Proportional to 9,940,720,836.38, 13,718,486,299.56 and 5,424,891,464.12

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Solution

The fourth proportional to 9,940,720,836.38, 13,718,486,299.56 and 5,424,891,464.12 is: 7,486,509,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940,720,836.38 : 13,718,486,299.56 = 5,424,891,464.12 : x
  2. Step 2: Convert to fraction form
    9,940,720,836.38/13,718,486,299.56 = 5,424,891,464.12/x
  3. Step 3: Cross multiply
    9,940,720,836.38x = 13,718,486,299.56 × 5,424,891,464.12
  4. Step 4: Simplify right side
    9,940,720,836.38x = 74,421,299,227,130,200,064
  5. Step 5: Solve for x
    x = 74,421,299,227,130,200,064/9,940,720,836.38
  6. Step 6: Final answer
    x = 7,486,509,323.83

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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.