Home / 348,481,123.80-522,721,685.70-331,475,011.80

Finding the Fourth Proportional to 348,481,123.80, 522,721,685.70 and 331,475,011.80

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Solution

The fourth proportional to 348,481,123.80, 522,721,685.70 and 331,475,011.80 is: 497,212,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,481,123.80 : 522,721,685.70 = 331,475,011.80 : x
  2. Step 2: Convert to fraction form
    348,481,123.80/522,721,685.70 = 331,475,011.80/x
  3. Step 3: Cross multiply
    348,481,123.80x = 522,721,685.70 × 331,475,011.80
  4. Step 4: Simplify right side
    348,481,123.80x = 173,269,176,935,523,392
  5. Step 5: Solve for x
    x = 173,269,176,935,523,392/348,481,123.80
  6. Step 6: Final answer
    x = 497,212,517.70

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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.