Home / 21,923,640,366.40-30,249,438,350.14-12,408,192,115.44

Finding the Fourth Proportional to 21,923,640,366.40, 30,249,438,350.14 and 12,408,192,115.44

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Solution

The fourth proportional to 21,923,640,366.40, 30,249,438,350.14 and 12,408,192,115.44 is: 17,120,370,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,640,366.40 : 30,249,438,350.14 = 12,408,192,115.44 : x
  2. Step 2: Convert to fraction form
    21,923,640,366.40/30,249,438,350.14 = 12,408,192,115.44/x
  3. Step 3: Cross multiply
    21,923,640,366.40x = 30,249,438,350.14 × 12,408,192,115.44
  4. Step 4: Simplify right side
    21,923,640,366.40x = 375,340,842,432,482,181,120
  5. Step 5: Solve for x
    x = 375,340,842,432,482,181,120/21,923,640,366.40
  6. Step 6: Final answer
    x = 17,120,370,347.24

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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.