Home / 2,631,792,516.63-3,947,658,340.40-639,845,858.58

Finding the Fourth Proportional to 2,631,792,516.63, 3,947,658,340.40 and 639,845,858.58

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Solution

The fourth proportional to 2,631,792,516.63, 3,947,658,340.40 and 639,845,858.58 is: 959,761,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,792,516.63 : 3,947,658,340.40 = 639,845,858.58 : x
  2. Step 2: Convert to fraction form
    2,631,792,516.63/3,947,658,340.40 = 639,845,858.58/x
  3. Step 3: Cross multiply
    2,631,792,516.63x = 3,947,658,340.40 × 639,845,858.58
  4. Step 4: Simplify right side
    2,631,792,516.63x = 2,525,892,840,193,736,192
  5. Step 5: Solve for x
    x = 2,525,892,840,193,736,192/2,631,792,516.63
  6. Step 6: Final answer
    x = 959,761,388.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.