Home / 513,048,358.98-769,561,756.56-124,873,354.98

Finding the Fourth Proportional to 513,048,358.98, 769,561,756.56 and 124,873,354.98

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Solution

The fourth proportional to 513,048,358.98, 769,561,756.56 and 124,873,354.98 is: 187,307,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,048,358.98 : 769,561,756.56 = 124,873,354.98 : x
  2. Step 2: Convert to fraction form
    513,048,358.98/769,561,756.56 = 124,873,354.98/x
  3. Step 3: Cross multiply
    513,048,358.98x = 769,561,756.56 × 124,873,354.98
  4. Step 4: Simplify right side
    513,048,358.98x = 96,097,758,405,949,216
  5. Step 5: Solve for x
    x = 96,097,758,405,949,216/513,048,358.98
  6. Step 6: Final answer
    x = 187,307,408.21

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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.