Home / 21,257,684,986.26-29,336,496,502.78-12,225,450,144.22

Finding the Fourth Proportional to 21,257,684,986.26, 29,336,496,502.78 and 12,225,450,144.22

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Solution

The fourth proportional to 21,257,684,986.26, 29,336,496,502.78 and 12,225,450,144.22 is: 16,871,633,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257,684,986.26 : 29,336,496,502.78 = 12,225,450,144.22 : x
  2. Step 2: Convert to fraction form
    21,257,684,986.26/29,336,496,502.78 = 12,225,450,144.22/x
  3. Step 3: Cross multiply
    21,257,684,986.26x = 29,336,496,502.78 × 12,225,450,144.22
  4. Step 4: Simplify right side
    21,257,684,986.26x = 358,651,875,400,821,243,904
  5. Step 5: Solve for x
    x = 358,651,875,400,821,243,904/21,257,684,986.26
  6. Step 6: Final answer
    x = 16,871,633,747.17

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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.