Home / 293,410,090.80-440,115,136.20-190,097,960.40

Finding the Fourth Proportional to 293,410,090.80, 440,115,136.20 and 190,097,960.40

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Solution

The fourth proportional to 293,410,090.80, 440,115,136.20 and 190,097,960.40 is: 285,146,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,410,090.80 : 440,115,136.20 = 190,097,960.40 : x
  2. Step 2: Convert to fraction form
    293,410,090.80/440,115,136.20 = 190,097,960.40/x
  3. Step 3: Cross multiply
    293,410,090.80x = 440,115,136.20 × 190,097,960.40
  4. Step 4: Simplify right side
    293,410,090.80x = 83,664,989,732,788,208
  5. Step 5: Solve for x
    x = 83,664,989,732,788,208/293,410,090.80
  6. Step 6: Final answer
    x = 285,146,940.60

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1.5x scale

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.