Home / 1,305,025,080.12-1,800,973,585.32-803,523,181.80

Finding the Fourth Proportional to 1,305,025,080.12, 1,800,973,585.32 and 803,523,181.80

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Solution

The fourth proportional to 1,305,025,080.12, 1,800,973,585.32 and 803,523,181.80 is: 1,108,885,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,025,080.12 : 1,800,973,585.32 = 803,523,181.80 : x
  2. Step 2: Convert to fraction form
    1,305,025,080.12/1,800,973,585.32 = 803,523,181.80/x
  3. Step 3: Cross multiply
    1,305,025,080.12x = 1,800,973,585.32 × 803,523,181.80
  4. Step 4: Simplify right side
    1,305,025,080.12x = 1,447,124,025,614,080,000
  5. Step 5: Solve for x
    x = 1,447,124,025,614,080,000/1,305,025,080.12
  6. Step 6: Final answer
    x = 1,108,885,988.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.