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Finding the Fourth Proportional to 341,784,092.40, 512,690,135.40 and 99,446,996.40

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Solution

The fourth proportional to 341,784,092.40, 512,690,135.40 and 99,446,996.40 is: 149,174,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,784,092.40 : 512,690,135.40 = 99,446,996.40 : x
  2. Step 2: Convert to fraction form
    341,784,092.40/512,690,135.40 = 99,446,996.40/x
  3. Step 3: Cross multiply
    341,784,092.40x = 512,690,135.40 × 99,446,996.40
  4. Step 4: Simplify right side
    341,784,092.40x = 50,985,494,049,439,312
  5. Step 5: Solve for x
    x = 50,985,494,049,439,312/341,784,092.40
  6. Step 6: Final answer
    x = 149,174,567.17

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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.