Home / 12,467,886,644.98-17,207,395,400.19-7,644,398,614.84

Finding the Fourth Proportional to 12,467,886,644.98, 17,207,395,400.19 and 7,644,398,614.84

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Solution

The fourth proportional to 12,467,886,644.98, 17,207,395,400.19 and 7,644,398,614.84 is: 10,550,319,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467,886,644.98 : 17,207,395,400.19 = 7,644,398,614.84 : x
  2. Step 2: Convert to fraction form
    12,467,886,644.98/17,207,395,400.19 = 7,644,398,614.84/x
  3. Step 3: Cross multiply
    12,467,886,644.98x = 17,207,395,400.19 × 7,644,398,614.84
  4. Step 4: Simplify right side
    12,467,886,644.98x = 131,540,189,562,216,611,840
  5. Step 5: Solve for x
    x = 131,540,189,562,216,611,840/12,467,886,644.98
  6. Step 6: Final answer
    x = 10,550,319,657.84

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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.