Home / 570,263,867.20-855,755,636.40-242,738,857.36

Finding the Fourth Proportional to 570,263,867.20, 855,755,636.40 and 242,738,857.36

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Solution

The fourth proportional to 570,263,867.20, 855,755,636.40 and 242,738,857.36 is: 364,261,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,263,867.20 : 855,755,636.40 = 242,738,857.36 : x
  2. Step 2: Convert to fraction form
    570,263,867.20/855,755,636.40 = 242,738,857.36/x
  3. Step 3: Cross multiply
    570,263,867.20x = 855,755,636.40 × 242,738,857.36
  4. Step 4: Simplify right side
    570,263,867.20x = 207,725,145,359,115,616
  5. Step 5: Solve for x
    x = 207,725,145,359,115,616/570,263,867.20
  6. Step 6: Final answer
    x = 364,261,453.88

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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.