Home / 218,892,792,505.68-328,388,698,392.58-118,161,497,982.20

Finding the Fourth Proportional to 218,892,792,505.68, 328,388,698,392.58 and 118,161,497,982.20

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Solution

The fourth proportional to 218,892,792,505.68, 328,388,698,392.58 and 118,161,497,982.20 is: 177,268,972,990.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,892,792,505.68 : 328,388,698,392.58 = 118,161,497,982.20 : x
  2. Step 2: Convert to fraction form
    218,892,792,505.68/328,388,698,392.58 = 118,161,497,982.20/x
  3. Step 3: Cross multiply
    218,892,792,505.68x = 328,388,698,392.58 × 118,161,497,982.20
  4. Step 4: Simplify right side
    218,892,792,505.68x = 38,802,900,522,492,126,822,400
  5. Step 5: Solve for x
    x = 38,802,900,522,492,126,822,400/218,892,792,505.68
  6. Step 6: Final answer
    x = 177,268,972,990.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.