Home / 21,950,086,131.99-30,291,118,859.21-12,434,637,881.43

Finding the Fourth Proportional to 21,950,086,131.99, 30,291,118,859.21 and 12,434,637,881.43

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Solution

The fourth proportional to 21,950,086,131.99, 30,291,118,859.21 and 12,434,637,881.43 is: 17,159,800,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950,086,131.99 : 30,291,118,859.21 = 12,434,637,881.43 : x
  2. Step 2: Convert to fraction form
    21,950,086,131.99/30,291,118,859.21 = 12,434,637,881.43/x
  3. Step 3: Cross multiply
    21,950,086,131.99x = 30,291,118,859.21 × 12,434,637,881.43
  4. Step 4: Simplify right side
    21,950,086,131.99x = 376,659,094,037,631,336,448
  5. Step 5: Solve for x
    x = 376,659,094,037,631,336,448/21,950,086,131.99
  6. Step 6: Final answer
    x = 17,159,800,274.71

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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.