Home / 455,675,808.34-628,835,634.78-246,831,950.98

Finding the Fourth Proportional to 455,675,808.34, 628,835,634.78 and 246,831,950.98

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Solution

The fourth proportional to 455,675,808.34, 628,835,634.78 and 246,831,950.98 is: 340,629,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,675,808.34 : 628,835,634.78 = 246,831,950.98 : x
  2. Step 2: Convert to fraction form
    455,675,808.34/628,835,634.78 = 246,831,950.98/x
  3. Step 3: Cross multiply
    455,675,808.34x = 628,835,634.78 × 246,831,950.98
  4. Step 4: Simplify right side
    455,675,808.34x = 155,216,726,578,494,144
  5. Step 5: Solve for x
    x = 155,216,726,578,494,144/455,675,808.34
  6. Step 6: Final answer
    x = 340,629,727.84

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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.