Home / 354,312,243.60-531,468,365.40-296,981,350.80

Finding the Fourth Proportional to 354,312,243.60, 531,468,365.40 and 296,981,350.80

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Solution

The fourth proportional to 354,312,243.60, 531,468,365.40 and 296,981,350.80 is: 445,472,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,243.60 : 531,468,365.40 = 296,981,350.80 : x
  2. Step 2: Convert to fraction form
    354,312,243.60/531,468,365.40 = 296,981,350.80/x
  3. Step 3: Cross multiply
    354,312,243.60x = 531,468,365.40 × 296,981,350.80
  4. Step 4: Simplify right side
    354,312,243.60x = 157,836,193,063,959,968
  5. Step 5: Solve for x
    x = 157,836,193,063,959,968/354,312,243.60
  6. Step 6: Final answer
    x = 445,472,026.20

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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.