Home / 905,965,168.92-1,250,212,337.34-524,503,290.36

Finding the Fourth Proportional to 905,965,168.92, 1,250,212,337.34 and 524,503,290.36

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Solution

The fourth proportional to 905,965,168.92, 1,250,212,337.34 and 524,503,290.36 is: 723,803,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,965,168.92 : 1,250,212,337.34 = 524,503,290.36 : x
  2. Step 2: Convert to fraction form
    905,965,168.92/1,250,212,337.34 = 524,503,290.36/x
  3. Step 3: Cross multiply
    905,965,168.92x = 1,250,212,337.34 × 524,503,290.36
  4. Step 4: Simplify right side
    905,965,168.92x = 655,740,484,580,873,856
  5. Step 5: Solve for x
    x = 655,740,484,580,873,856/905,965,168.92
  6. Step 6: Final answer
    x = 723,803,195.84

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1.5x scale

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.