Home / 393,963,511.60-590,945,267.40-362,218,769.20

Finding the Fourth Proportional to 393,963,511.60, 590,945,267.40 and 362,218,769.20

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Solution

The fourth proportional to 393,963,511.60, 590,945,267.40 and 362,218,769.20 is: 543,328,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,963,511.60 : 590,945,267.40 = 362,218,769.20 : x
  2. Step 2: Convert to fraction form
    393,963,511.60/590,945,267.40 = 362,218,769.20/x
  3. Step 3: Cross multiply
    393,963,511.60x = 590,945,267.40 × 362,218,769.20
  4. Step 4: Simplify right side
    393,963,511.60x = 214,051,467,422,192,864
  5. Step 5: Solve for x
    x = 214,051,467,422,192,864/393,963,511.60
  6. Step 6: Final answer
    x = 543,328,153.80

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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.