Home / 1,378,495,321.94-1,902,321,237.92-751,963,749.86

Finding the Fourth Proportional to 1,378,495,321.94, 1,902,321,237.92 and 751,963,749.86

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Solution

The fourth proportional to 1,378,495,321.94, 1,902,321,237.92 and 751,963,749.86 is: 1,037,708,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,495,321.94 : 1,902,321,237.92 = 751,963,749.86 : x
  2. Step 2: Convert to fraction form
    1,378,495,321.94/1,902,321,237.92 = 751,963,749.86/x
  3. Step 3: Cross multiply
    1,378,495,321.94x = 1,902,321,237.92 × 751,963,749.86
  4. Step 4: Simplify right side
    1,378,495,321.94x = 1,430,476,611,504,640,512
  5. Step 5: Solve for x
    x = 1,430,476,611,504,640,512/1,378,495,321.94
  6. Step 6: Final answer
    x = 1,037,708,716.70

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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.