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Finding the Fourth Proportional to 308,928,744.80, 463,393,117.20 and 163,306,037.60

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Solution

The fourth proportional to 308,928,744.80, 463,393,117.20 and 163,306,037.60 is: 244,959,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,928,744.80 : 463,393,117.20 = 163,306,037.60 : x
  2. Step 2: Convert to fraction form
    308,928,744.80/463,393,117.20 = 163,306,037.60/x
  3. Step 3: Cross multiply
    308,928,744.80x = 463,393,117.20 × 163,306,037.60
  4. Step 4: Simplify right side
    308,928,744.80x = 75,674,893,821,044,400
  5. Step 5: Solve for x
    x = 75,674,893,821,044,400/308,928,744.80
  6. Step 6: Final answer
    x = 244,959,056.40

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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.