Home / 12,366,997,010.40-18,550,495,515.60-8,448,788,805.60

Finding the Fourth Proportional to 12,366,997,010.40, 18,550,495,515.60 and 8,448,788,805.60

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Solution

The fourth proportional to 12,366,997,010.40, 18,550,495,515.60 and 8,448,788,805.60 is: 12,673,183,208.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366,997,010.40 : 18,550,495,515.60 = 8,448,788,805.60 : x
  2. Step 2: Convert to fraction form
    12,366,997,010.40/18,550,495,515.60 = 8,448,788,805.60/x
  3. Step 3: Cross multiply
    12,366,997,010.40x = 18,550,495,515.60 × 8,448,788,805.60
  4. Step 4: Simplify right side
    12,366,997,010.40x = 156,729,218,850,534,260,736
  5. Step 5: Solve for x
    x = 156,729,218,850,534,260,736/12,366,997,010.40
  6. Step 6: Final answer
    x = 12,673,183,208.40

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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.