Home / 9,940,720,832.15-13,718,486,293.73-5,424,891,459.84

Finding the Fourth Proportional to 9,940,720,832.15, 13,718,486,293.73 and 5,424,891,459.84

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Solution

The fourth proportional to 9,940,720,832.15, 13,718,486,293.73 and 5,424,891,459.84 is: 7,486,509,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940,720,832.15 : 13,718,486,293.73 = 5,424,891,459.84 : x
  2. Step 2: Convert to fraction form
    9,940,720,832.15/13,718,486,293.73 = 5,424,891,459.84/x
  3. Step 3: Cross multiply
    9,940,720,832.15x = 13,718,486,293.73 × 5,424,891,459.84
  4. Step 4: Simplify right side
    9,940,720,832.15x = 74,421,299,136,787,972,096
  5. Step 5: Solve for x
    x = 74,421,299,136,787,972,096/9,940,720,832.15
  6. Step 6: Final answer
    x = 7,486,509,317.93

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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.