Home / 523,056,019.44-721,817,304.12-303,166,991.28

Finding the Fourth Proportional to 523,056,019.44, 721,817,304.12 and 303,166,991.28

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Solution

The fourth proportional to 523,056,019.44, 721,817,304.12 and 303,166,991.28 is: 418,370,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,056,019.44 : 721,817,304.12 = 303,166,991.28 : x
  2. Step 2: Convert to fraction form
    523,056,019.44/721,817,304.12 = 303,166,991.28/x
  3. Step 3: Cross multiply
    523,056,019.44x = 721,817,304.12 × 303,166,991.28
  4. Step 4: Simplify right side
    523,056,019.44x = 218,831,180,343,901,120
  5. Step 5: Solve for x
    x = 218,831,180,343,901,120/523,056,019.44
  6. Step 6: Final answer
    x = 418,370,446.40

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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.