Home / 886,034,384.48-1,222,752,120.72-489,583,053.92

Finding the Fourth Proportional to 886,034,384.48, 1,222,752,120.72 and 489,583,053.92

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Solution

The fourth proportional to 886,034,384.48, 1,222,752,120.72 and 489,583,053.92 is: 675,638,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,034,384.48 : 1,222,752,120.72 = 489,583,053.92 : x
  2. Step 2: Convert to fraction form
    886,034,384.48/1,222,752,120.72 = 489,583,053.92/x
  3. Step 3: Cross multiply
    886,034,384.48x = 1,222,752,120.72 × 489,583,053.92
  4. Step 4: Simplify right side
    886,034,384.48x = 598,638,717,449,254,144
  5. Step 5: Solve for x
    x = 598,638,717,449,254,144/886,034,384.48
  6. Step 6: Final answer
    x = 675,638,246.03

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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.