Home / 427,436,400,443.32-641,263,125,013.56-197,869,239,559.52

Finding the Fourth Proportional to 427,436,400,443.32, 641,263,125,013.56 and 197,869,239,559.52

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Solution

The fourth proportional to 427,436,400,443.32, 641,263,125,013.56 and 197,869,239,559.52 is: 296,854,097,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,436,400,443.32 : 641,263,125,013.56 = 197,869,239,559.52 : x
  2. Step 2: Convert to fraction form
    427,436,400,443.32/641,263,125,013.56 = 197,869,239,559.52/x
  3. Step 3: Cross multiply
    427,436,400,443.32x = 641,263,125,013.56 × 197,869,239,559.52
  4. Step 4: Simplify right side
    427,436,400,443.32x = 126,886,246,903,994,522,796,032
  5. Step 5: Solve for x
    x = 126,886,246,903,994,522,796,032/427,436,400,443.32
  6. Step 6: Final answer
    x = 296,854,097,527.48

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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.