Home / 397,654,571,255.34-548,763,287,342.67-214,751,655,295.98

Finding the Fourth Proportional to 397,654,571,255.34, 548,763,287,342.67 and 214,751,655,295.98

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Solution

The fourth proportional to 397,654,571,255.34, 548,763,287,342.67 and 214,751,655,295.98 is: 296,357,272,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,654,571,255.34 : 548,763,287,342.67 = 214,751,655,295.98 : x
  2. Step 2: Convert to fraction form
    397,654,571,255.34/548,763,287,342.67 = 214,751,655,295.98/x
  3. Step 3: Cross multiply
    397,654,571,255.34x = 548,763,287,342.67 × 214,751,655,295.98
  4. Step 4: Simplify right side
    397,654,571,255.34x = 117,847,824,322,501,898,403,840
  5. Step 5: Solve for x
    x = 117,847,824,322,501,898,403,840/397,654,571,255.34
  6. Step 6: Final answer
    x = 296,357,272,973.06

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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.