Home / 293,565,621.40-440,348,432.10-196,819,739.80

Finding the Fourth Proportional to 293,565,621.40, 440,348,432.10 and 196,819,739.80

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Solution

The fourth proportional to 293,565,621.40, 440,348,432.10 and 196,819,739.80 is: 295,229,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,565,621.40 : 440,348,432.10 = 196,819,739.80 : x
  2. Step 2: Convert to fraction form
    293,565,621.40/440,348,432.10 = 196,819,739.80/x
  3. Step 3: Cross multiply
    293,565,621.40x = 440,348,432.10 × 196,819,739.80
  4. Step 4: Simplify right side
    293,565,621.40x = 86,669,263,827,259,984
  5. Step 5: Solve for x
    x = 86,669,263,827,259,984/293,565,621.40
  6. Step 6: Final answer
    x = 295,229,609.70

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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.