Home / 783,045,069.70-1,080,630,608.04-448,582,233.48

Finding the Fourth Proportional to 783,045,069.70, 1,080,630,608.04 and 448,582,233.48

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Solution

The fourth proportional to 783,045,069.70, 1,080,630,608.04 and 448,582,233.48 is: 619,059,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,045,069.70 : 1,080,630,608.04 = 448,582,233.48 : x
  2. Step 2: Convert to fraction form
    783,045,069.70/1,080,630,608.04 = 448,582,233.48/x
  3. Step 3: Cross multiply
    783,045,069.70x = 1,080,630,608.04 × 448,582,233.48
  4. Step 4: Simplify right side
    783,045,069.70x = 484,751,691,721,433,664
  5. Step 5: Solve for x
    x = 484,751,691,721,433,664/783,045,069.70
  6. Step 6: Final answer
    x = 619,059,758.47

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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.