Home / 19,164,289,579.12-28,720,738,872.84-14,915,111,938.12

Finding the Fourth Proportional to 19,164,289,579.12, 28,720,738,872.84 and 14,915,111,938.12

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Solution

The fourth proportional to 19,164,289,579.12, 28,720,738,872.84 and 14,915,111,938.12 is: 22,352,669,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164,289,579.12 : 28,720,738,872.84 = 14,915,111,938.12 : x
  2. Step 2: Convert to fraction form
    19,164,289,579.12/28,720,738,872.84 = 14,915,111,938.12/x
  3. Step 3: Cross multiply
    19,164,289,579.12x = 28,720,738,872.84 × 14,915,111,938.12
  4. Step 4: Simplify right side
    19,164,289,579.12x = 428,373,035,233,923,039,232
  5. Step 5: Solve for x
    x = 428,373,035,233,923,039,232/19,164,289,579.12
  6. Step 6: Final answer
    x = 22,352,669,712.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.