Home / 783,045,074.74-1,080,630,614.98-448,582,238.52

Finding the Fourth Proportional to 783,045,074.74, 1,080,630,614.98 and 448,582,238.52

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Solution

The fourth proportional to 783,045,074.74, 1,080,630,614.98 and 448,582,238.52 is: 619,059,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,045,074.74 : 1,080,630,614.98 = 448,582,238.52 : x
  2. Step 2: Convert to fraction form
    783,045,074.74/1,080,630,614.98 = 448,582,238.52/x
  3. Step 3: Cross multiply
    783,045,074.74x = 1,080,630,614.98 × 448,582,238.52
  4. Step 4: Simplify right side
    783,045,074.74x = 484,751,700,280,972,608
  5. Step 5: Solve for x
    x = 484,751,700,280,972,608/783,045,074.74
  6. Step 6: Final answer
    x = 619,059,765.42

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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.