Home / 347,319,739.32-479,314,719.20-190,693,447.80

Finding the Fourth Proportional to 347,319,739.32, 479,314,719.20 and 190,693,447.80

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Solution

The fourth proportional to 347,319,739.32, 479,314,719.20 and 190,693,447.80 is: 263,164,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,319,739.32 : 479,314,719.20 = 190,693,447.80 : x
  2. Step 2: Convert to fraction form
    347,319,739.32/479,314,719.20 = 190,693,447.80/x
  3. Step 3: Cross multiply
    347,319,739.32x = 479,314,719.20 × 190,693,447.80
  4. Step 4: Simplify right side
    347,319,739.32x = 91,402,176,385,536,864
  5. Step 5: Solve for x
    x = 91,402,176,385,536,864/347,319,739.32
  6. Step 6: Final answer
    x = 263,164,358.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.