Home / 308,926,276.80-463,389,415.20-163,303,569.60

Finding the Fourth Proportional to 308,926,276.80, 463,389,415.20 and 163,303,569.60

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Solution

The fourth proportional to 308,926,276.80, 463,389,415.20 and 163,303,569.60 is: 244,955,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,926,276.80 : 463,389,415.20 = 163,303,569.60 : x
  2. Step 2: Convert to fraction form
    308,926,276.80/463,389,415.20 = 163,303,569.60/x
  3. Step 3: Cross multiply
    308,926,276.80x = 463,389,415.20 × 163,303,569.60
  4. Step 4: Simplify right side
    308,926,276.80x = 75,673,145,617,016,496
  5. Step 5: Solve for x
    x = 75,673,145,617,016,496/308,926,276.80
  6. Step 6: Final answer
    x = 244,955,354.40

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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.