Home / 376,198,784.48-519,123,946.49-217,439,191.92

Finding the Fourth Proportional to 376,198,784.48, 519,123,946.49 and 217,439,191.92

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Solution

The fourth proportional to 376,198,784.48, 519,123,946.49 and 217,439,191.92 is: 300,048,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,198,784.48 : 519,123,946.49 = 217,439,191.92 : x
  2. Step 2: Convert to fraction form
    376,198,784.48/519,123,946.49 = 217,439,191.92/x
  3. Step 3: Cross multiply
    376,198,784.48x = 519,123,946.49 × 217,439,191.92
  4. Step 4: Simplify right side
    376,198,784.48x = 112,877,891,430,019,728
  5. Step 5: Solve for x
    x = 112,877,891,430,019,728/376,198,784.48
  6. Step 6: Final answer
    x = 300,048,527.77

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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.