Home / 40,044,950,048.32-55,262,085,790.76-21,734,008,006.48

Finding the Fourth Proportional to 40,044,950,048.32, 55,262,085,790.76 and 21,734,008,006.48

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Solution

The fourth proportional to 40,044,950,048.32, 55,262,085,790.76 and 21,734,008,006.48 is: 29,992,960,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,044,950,048.32 : 55,262,085,790.76 = 21,734,008,006.48 : x
  2. Step 2: Convert to fraction form
    40,044,950,048.32/55,262,085,790.76 = 21,734,008,006.48/x
  3. Step 3: Cross multiply
    40,044,950,048.32x = 55,262,085,790.76 × 21,734,008,006.48
  4. Step 4: Simplify right side
    40,044,950,048.32x = 1,201,066,615,031,162,470,400
  5. Step 5: Solve for x
    x = 1,201,066,615,031,162,470,400/40,044,950,048.32
  6. Step 6: Final answer
    x = 29,992,960,749.90

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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.