Home / 2,146,799,846.40-3,220,199,769.60-1,630,821,811.20

Finding the Fourth Proportional to 2,146,799,846.40, 3,220,199,769.60 and 1,630,821,811.20

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Solution

The fourth proportional to 2,146,799,846.40, 3,220,199,769.60 and 1,630,821,811.20 is: 2,446,232,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,799,846.40 : 3,220,199,769.60 = 1,630,821,811.20 : x
  2. Step 2: Convert to fraction form
    2,146,799,846.40/3,220,199,769.60 = 1,630,821,811.20/x
  3. Step 3: Cross multiply
    2,146,799,846.40x = 3,220,199,769.60 × 1,630,821,811.20
  4. Step 4: Simplify right side
    2,146,799,846.40x = 5,251,572,020,684,894,208
  5. Step 5: Solve for x
    x = 5,251,572,020,684,894,208/2,146,799,846.40
  6. Step 6: Final answer
    x = 2,446,232,716.80

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Double scale
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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.