Home / 783,045,072.56-1,080,630,612-448,582,236.35

Finding the Fourth Proportional to 783,045,072.56, 1,080,630,612 and 448,582,236.35

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Solution

The fourth proportional to 783,045,072.56, 1,080,630,612 and 448,582,236.35 is: 619,059,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,045,072.56 : 1,080,630,612 = 448,582,236.35 : x
  2. Step 2: Convert to fraction form
    783,045,072.56/1,080,630,612 = 448,582,236.35/x
  3. Step 3: Cross multiply
    783,045,072.56x = 1,080,630,612 × 448,582,236.35
  4. Step 4: Simplify right side
    783,045,072.56x = 484,751,696,593,826,048
  5. Step 5: Solve for x
    x = 484,751,696,593,826,048/783,045,072.56
  6. Step 6: Final answer
    x = 619,059,762.43

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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.