Home / 10,193,253,998.40-15,289,880,997.60-3,208,206,070.80

Finding the Fourth Proportional to 10,193,253,998.40, 15,289,880,997.60 and 3,208,206,070.80

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Solution

The fourth proportional to 10,193,253,998.40, 15,289,880,997.60 and 3,208,206,070.80 is: 4,812,309,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193,253,998.40 : 15,289,880,997.60 = 3,208,206,070.80 : x
  2. Step 2: Convert to fraction form
    10,193,253,998.40/15,289,880,997.60 = 3,208,206,070.80/x
  3. Step 3: Cross multiply
    10,193,253,998.40x = 15,289,880,997.60 × 3,208,206,070.80
  4. Step 4: Simplify right side
    10,193,253,998.40x = 49,053,089,038,309,883,904
  5. Step 5: Solve for x
    x = 49,053,089,038,309,883,904/10,193,253,998.40
  6. Step 6: Final answer
    x = 4,812,309,106.20

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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.