Home / 451,653,228.38-623,292,198.80-253,429,387.67

Finding the Fourth Proportional to 451,653,228.38, 623,292,198.80 and 253,429,387.67

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Solution

The fourth proportional to 451,653,228.38, 623,292,198.80 and 253,429,387.67 is: 349,738,583.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,653,228.38 : 623,292,198.80 = 253,429,387.67 : x
  2. Step 2: Convert to fraction form
    451,653,228.38/623,292,198.80 = 253,429,387.67/x
  3. Step 3: Cross multiply
    451,653,228.38x = 623,292,198.80 × 253,429,387.67
  4. Step 4: Simplify right side
    451,653,228.38x = 157,960,560,276,988,288
  5. Step 5: Solve for x
    x = 157,960,560,276,988,288/451,653,228.38
  6. Step 6: Final answer
    x = 349,738,583.39

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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.