Home / 21,837,202,920.34-30,133,043,315.15-12,679,941,748.07

Finding the Fourth Proportional to 21,837,202,920.34, 30,133,043,315.15 and 12,679,941,748.07

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Solution

The fourth proportional to 21,837,202,920.34, 30,133,043,315.15 and 12,679,941,748.07 is: 17,496,986,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837,202,920.34 : 30,133,043,315.15 = 12,679,941,748.07 : x
  2. Step 2: Convert to fraction form
    21,837,202,920.34/30,133,043,315.15 = 12,679,941,748.07/x
  3. Step 3: Cross multiply
    21,837,202,920.34x = 30,133,043,315.15 × 12,679,941,748.07
  4. Step 4: Simplify right side
    21,837,202,920.34x = 382,085,233,928,199,143,424
  5. Step 5: Solve for x
    x = 382,085,233,928,199,143,424/21,837,202,920.34
  6. Step 6: Final answer
    x = 17,496,986,006.96

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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.