Home / 262,105,699.80-393,725,420.10-185,578,195.80

Finding the Fourth Proportional to 262,105,699.80, 393,725,420.10 and 185,578,195.80

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Solution

The fourth proportional to 262,105,699.80, 393,725,420.10 and 185,578,195.80 is: 278,768,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,105,699.80 : 393,725,420.10 = 185,578,195.80 : x
  2. Step 2: Convert to fraction form
    262,105,699.80/393,725,420.10 = 185,578,195.80/x
  3. Step 3: Cross multiply
    262,105,699.80x = 393,725,420.10 × 185,578,195.80
  4. Step 4: Simplify right side
    262,105,699.80x = 73,066,853,102,755,072
  5. Step 5: Solve for x
    x = 73,066,853,102,755,072/262,105,699.80
  6. Step 6: Final answer
    x = 278,768,653.86

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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.