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Finding the Fourth Proportional to 468,894,109.52, 703,448,298.12 and 162,185,963.60

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Solution

The fourth proportional to 468,894,109.52, 703,448,298.12 and 162,185,963.60 is: 243,316,001.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,894,109.52 : 703,448,298.12 = 162,185,963.60 : x
  2. Step 2: Convert to fraction form
    468,894,109.52/703,448,298.12 = 162,185,963.60/x
  3. Step 3: Cross multiply
    468,894,109.52x = 703,448,298.12 × 162,185,963.60
  4. Step 4: Simplify right side
    468,894,109.52x = 114,089,440,073,372,272
  5. Step 5: Solve for x
    x = 114,089,440,073,372,272/468,894,109.52
  6. Step 6: Final answer
    x = 243,316,001.97

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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.