Home / 385,230,539.46-577,839,046.35-266,946,221.64

Finding the Fourth Proportional to 385,230,539.46, 577,839,046.35 and 266,946,221.64

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Solution

The fourth proportional to 385,230,539.46, 577,839,046.35 and 266,946,221.64 is: 400,414,646.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,230,539.46 : 577,839,046.35 = 266,946,221.64 : x
  2. Step 2: Convert to fraction form
    385,230,539.46/577,839,046.35 = 266,946,221.64/x
  3. Step 3: Cross multiply
    385,230,539.46x = 577,839,046.35 × 266,946,221.64
  4. Step 4: Simplify right side
    385,230,539.46x = 154,251,950,139,193,344
  5. Step 5: Solve for x
    x = 154,251,950,139,193,344/385,230,539.46
  6. Step 6: Final answer
    x = 400,414,646.14

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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.