Home / 317,136,792.28-437,643,403.53-177,904,564.69

Finding the Fourth Proportional to 317,136,792.28, 437,643,403.53 and 177,904,564.69

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Solution

The fourth proportional to 317,136,792.28, 437,643,403.53 and 177,904,564.69 is: 245,505,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,136,792.28 : 437,643,403.53 = 177,904,564.69 : x
  2. Step 2: Convert to fraction form
    317,136,792.28/437,643,403.53 = 177,904,564.69/x
  3. Step 3: Cross multiply
    317,136,792.28x = 437,643,403.53 × 177,904,564.69
  4. Step 4: Simplify right side
    317,136,792.28x = 77,858,759,194,454,656
  5. Step 5: Solve for x
    x = 77,858,759,194,454,656/317,136,792.28
  6. Step 6: Final answer
    x = 245,505,286.96

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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.