Home / 14,115,923,999.80-21,173,885,999.70-12,592,176,364.60

Finding the Fourth Proportional to 14,115,923,999.80, 21,173,885,999.70 and 12,592,176,364.60

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Solution

The fourth proportional to 14,115,923,999.80, 21,173,885,999.70 and 12,592,176,364.60 is: 18,888,264,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115,923,999.80 : 21,173,885,999.70 = 12,592,176,364.60 : x
  2. Step 2: Convert to fraction form
    14,115,923,999.80/21,173,885,999.70 = 12,592,176,364.60/x
  3. Step 3: Cross multiply
    14,115,923,999.80x = 21,173,885,999.70 × 12,592,176,364.60
  4. Step 4: Simplify right side
    14,115,923,999.80x = 266,625,306,832,157,212,672
  5. Step 5: Solve for x
    x = 266,625,306,832,157,212,672/14,115,923,999.80
  6. Step 6: Final answer
    x = 18,888,264,546.90

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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.