Home / 2,990,112,144.10-4,485,168,216.15-1,765,672,080.10

Finding the Fourth Proportional to 2,990,112,144.10, 4,485,168,216.15 and 1,765,672,080.10

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Solution

The fourth proportional to 2,990,112,144.10, 4,485,168,216.15 and 1,765,672,080.10 is: 2,648,508,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,112,144.10 : 4,485,168,216.15 = 1,765,672,080.10 : x
  2. Step 2: Convert to fraction form
    2,990,112,144.10/4,485,168,216.15 = 1,765,672,080.10/x
  3. Step 3: Cross multiply
    2,990,112,144.10x = 4,485,168,216.15 × 1,765,672,080.10
  4. Step 4: Simplify right side
    2,990,112,144.10x = 7,919,336,293,807,975,424
  5. Step 5: Solve for x
    x = 7,919,336,293,807,975,424/2,990,112,144.10
  6. Step 6: Final answer
    x = 2,648,508,120.15

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Double scale
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Similar ratio
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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.