Home / 783,045,214.38-1,080,630,808.11-448,582,378.32

Finding the Fourth Proportional to 783,045,214.38, 1,080,630,808.11 and 448,582,378.32

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Solution

The fourth proportional to 783,045,214.38, 1,080,630,808.11 and 448,582,378.32 is: 619,059,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,045,214.38 : 1,080,630,808.11 = 448,582,378.32 : x
  2. Step 2: Convert to fraction form
    783,045,214.38/1,080,630,808.11 = 448,582,378.32/x
  3. Step 3: Cross multiply
    783,045,214.38x = 1,080,630,808.11 × 448,582,378.32
  4. Step 4: Simplify right side
    783,045,214.38x = 484,751,937,987,847,296
  5. Step 5: Solve for x
    x = 484,751,937,987,847,296/783,045,214.38
  6. Step 6: Final answer
    x = 619,059,958.59

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Double scale
Find fourth proportional to 783,045,215.38, 1,080,630,809.49 and 448,582,379.32
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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.