Home / 397,654,577,830.56-548,763,296,419.44-214,751,661,869.28

Finding the Fourth Proportional to 397,654,577,830.56, 548,763,296,419.44 and 214,751,661,869.28

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Solution

The fourth proportional to 397,654,577,830.56, 548,763,296,419.44 and 214,751,661,869.28 is: 296,357,282,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,654,577,830.56 : 548,763,296,419.44 = 214,751,661,869.28 : x
  2. Step 2: Convert to fraction form
    397,654,577,830.56/548,763,296,419.44 = 214,751,661,869.28/x
  3. Step 3: Cross multiply
    397,654,577,830.56x = 548,763,296,419.44 × 214,751,661,869.28
  4. Step 4: Simplify right side
    397,654,577,830.56x = 117,847,829,878,939,056,078,848
  5. Step 5: Solve for x
    x = 117,847,829,878,939,056,078,848/397,654,577,830.56
  6. Step 6: Final answer
    x = 296,357,282,045.81

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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.