Home / 699,147,180.40-964,825,056.84-381,610,293.52

Finding the Fourth Proportional to 699,147,180.40, 964,825,056.84 and 381,610,293.52

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Solution

The fourth proportional to 699,147,180.40, 964,825,056.84 and 381,610,293.52 is: 526,623,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,147,180.40 : 964,825,056.84 = 381,610,293.52 : x
  2. Step 2: Convert to fraction form
    699,147,180.40/964,825,056.84 = 381,610,293.52/x
  3. Step 3: Cross multiply
    699,147,180.40x = 964,825,056.84 × 381,610,293.52
  4. Step 4: Simplify right side
    699,147,180.40x = 368,187,173,136,163,072
  5. Step 5: Solve for x
    x = 368,187,173,136,163,072/699,147,180.40
  6. Step 6: Final answer
    x = 526,623,268.26

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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.