Home / 293,464,783.40-439,152,080.70-255,542,786.60

Finding the Fourth Proportional to 293,464,783.40, 439,152,080.70 and 255,542,786.60

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Solution

The fourth proportional to 293,464,783.40, 439,152,080.70 and 255,542,786.60 is: 382,404,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,464,783.40 : 439,152,080.70 = 255,542,786.60 : x
  2. Step 2: Convert to fraction form
    293,464,783.40/439,152,080.70 = 255,542,786.60/x
  3. Step 3: Cross multiply
    293,464,783.40x = 439,152,080.70 × 255,542,786.60
  4. Step 4: Simplify right side
    293,464,783.40x = 112,222,146,443,266,080
  5. Step 5: Solve for x
    x = 112,222,146,443,266,080/293,464,783.40
  6. Step 6: Final answer
    x = 382,404,134.30

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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.