Home / 629,857,231.80-944,785,847.70-193,154,447.40

Finding the Fourth Proportional to 629,857,231.80, 944,785,847.70 and 193,154,447.40

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Solution

The fourth proportional to 629,857,231.80, 944,785,847.70 and 193,154,447.40 is: 289,731,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,231.80 : 944,785,847.70 = 193,154,447.40 : x
  2. Step 2: Convert to fraction form
    629,857,231.80/944,785,847.70 = 193,154,447.40/x
  3. Step 3: Cross multiply
    629,857,231.80x = 944,785,847.70 × 193,154,447.40
  4. Step 4: Simplify right side
    629,857,231.80x = 182,489,588,323,834,080
  5. Step 5: Solve for x
    x = 182,489,588,323,834,080/629,857,231.80
  6. Step 6: Final answer
    x = 289,731,671.10

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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.