Home / 351,981,525.64-485,711,877.78-195,348,738.70

Finding the Fourth Proportional to 351,981,525.64, 485,711,877.78 and 195,348,738.70

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Solution

The fourth proportional to 351,981,525.64, 485,711,877.78 and 195,348,738.70 is: 269,568,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,981,525.64 : 485,711,877.78 = 195,348,738.70 : x
  2. Step 2: Convert to fraction form
    351,981,525.64/485,711,877.78 = 195,348,738.70/x
  3. Step 3: Cross multiply
    351,981,525.64x = 485,711,877.78 × 195,348,738.70
  4. Step 4: Simplify right side
    351,981,525.64x = 94,883,202,695,931,552
  5. Step 5: Solve for x
    x = 94,883,202,695,931,552/351,981,525.64
  6. Step 6: Final answer
    x = 269,568,701.15

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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.