Home / 783,045,200.88-1,080,630,789.48-448,582,364.82

Finding the Fourth Proportional to 783,045,200.88, 1,080,630,789.48 and 448,582,364.82

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Solution

The fourth proportional to 783,045,200.88, 1,080,630,789.48 and 448,582,364.82 is: 619,059,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,045,200.88 : 1,080,630,789.48 = 448,582,364.82 : x
  2. Step 2: Convert to fraction form
    783,045,200.88/1,080,630,789.48 = 448,582,364.82/x
  3. Step 3: Cross multiply
    783,045,200.88x = 1,080,630,789.48 × 448,582,364.82
  4. Step 4: Simplify right side
    783,045,200.88x = 484,751,915,042,241,984
  5. Step 5: Solve for x
    x = 484,751,915,042,241,984/783,045,200.88
  6. Step 6: Final answer
    x = 619,059,939.96

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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.