Home / 889,531,222.32-1,227,550,960.26-487,644,265.44

Finding the Fourth Proportional to 889,531,222.32, 1,227,550,960.26 and 487,644,265.44

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Solution

The fourth proportional to 889,531,222.32, 1,227,550,960.26 and 487,644,265.44 is: 672,947,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,531,222.32 : 1,227,550,960.26 = 487,644,265.44 : x
  2. Step 2: Convert to fraction form
    889,531,222.32/1,227,550,960.26 = 487,644,265.44/x
  3. Step 3: Cross multiply
    889,531,222.32x = 1,227,550,960.26 × 487,644,265.44
  4. Step 4: Simplify right side
    889,531,222.32x = 598,608,186,306,154,368
  5. Step 5: Solve for x
    x = 598,608,186,306,154,368/889,531,222.32
  6. Step 6: Final answer
    x = 672,947,920.53

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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.