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Finding the Fourth Proportional to 703,877,664.80, 1,056,194,410.80 and 294,975,149.60

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Solution

The fourth proportional to 703,877,664.80, 1,056,194,410.80 and 294,975,149.60 is: 442,621,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,877,664.80 : 1,056,194,410.80 = 294,975,149.60 : x
  2. Step 2: Convert to fraction form
    703,877,664.80/1,056,194,410.80 = 294,975,149.60/x
  3. Step 3: Cross multiply
    703,877,664.80x = 1,056,194,410.80 × 294,975,149.60
  4. Step 4: Simplify right side
    703,877,664.80x = 311,551,104,332,413,888
  5. Step 5: Solve for x
    x = 311,551,104,332,413,888/703,877,664.80
  6. Step 6: Final answer
    x = 442,621,097.26

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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.