Home / 538,946,071.04-743,745,046.08-291,426,835.52

Finding the Fourth Proportional to 538,946,071.04, 743,745,046.08 and 291,426,835.52

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Solution

The fourth proportional to 538,946,071.04, 743,745,046.08 and 291,426,835.52 is: 402,168,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,946,071.04 : 743,745,046.08 = 291,426,835.52 : x
  2. Step 2: Convert to fraction form
    538,946,071.04/743,745,046.08 = 291,426,835.52/x
  3. Step 3: Cross multiply
    538,946,071.04x = 743,745,046.08 × 291,426,835.52
  4. Step 4: Simplify right side
    538,946,071.04x = 216,747,265,212,770,976
  5. Step 5: Solve for x
    x = 216,747,265,212,770,976/538,946,071.04
  6. Step 6: Final answer
    x = 402,168,745.37

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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.