Home / 12,131,876,000.40-18,197,814,000.60-11,666,971,413.60

Finding the Fourth Proportional to 12,131,876,000.40, 18,197,814,000.60 and 11,666,971,413.60

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Solution

The fourth proportional to 12,131,876,000.40, 18,197,814,000.60 and 11,666,971,413.60 is: 17,500,457,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,876,000.40 : 18,197,814,000.60 = 11,666,971,413.60 : x
  2. Step 2: Convert to fraction form
    12,131,876,000.40/18,197,814,000.60 = 11,666,971,413.60/x
  3. Step 3: Cross multiply
    12,131,876,000.40x = 18,197,814,000.60 × 11,666,971,413.60
  4. Step 4: Simplify right side
    12,131,876,000.40x = 212,313,375,735,010,033,664
  5. Step 5: Solve for x
    x = 212,313,375,735,010,033,664/12,131,876,000.40
  6. Step 6: Final answer
    x = 17,500,457,120.40

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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.