Home / 21,837,202,919.10-30,133,043,313.41-12,679,941,746.83

Finding the Fourth Proportional to 21,837,202,919.10, 30,133,043,313.41 and 12,679,941,746.83

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Solution

The fourth proportional to 21,837,202,919.10, 30,133,043,313.41 and 12,679,941,746.83 is: 17,496,986,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837,202,919.10 : 30,133,043,313.41 = 12,679,941,746.83 : x
  2. Step 2: Convert to fraction form
    21,837,202,919.10/30,133,043,313.41 = 12,679,941,746.83/x
  3. Step 3: Cross multiply
    21,837,202,919.10x = 30,133,043,313.41 × 12,679,941,746.83
  4. Step 4: Simplify right side
    21,837,202,919.10x = 382,085,233,868,744,032,256
  5. Step 5: Solve for x
    x = 382,085,233,868,744,032,256/21,837,202,919.10
  6. Step 6: Final answer
    x = 17,496,986,005.22

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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.