Home / 293,402,406.80-440,103,610.20-190,090,276.40

Finding the Fourth Proportional to 293,402,406.80, 440,103,610.20 and 190,090,276.40

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Solution

The fourth proportional to 293,402,406.80, 440,103,610.20 and 190,090,276.40 is: 285,135,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,402,406.80 : 440,103,610.20 = 190,090,276.40 : x
  2. Step 2: Convert to fraction form
    293,402,406.80/440,103,610.20 = 190,090,276.40/x
  3. Step 3: Cross multiply
    293,402,406.80x = 440,103,610.20 × 190,090,276.40
  4. Step 4: Simplify right side
    293,402,406.80x = 83,659,416,907,555,856
  5. Step 5: Solve for x
    x = 83,659,416,907,555,856/293,402,406.80
  6. Step 6: Final answer
    x = 285,135,414.60

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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.