Home / 548,777,336.80-756,266,125.60-538,690,586.64

Finding the Fourth Proportional to 548,777,336.80, 756,266,125.60 and 538,690,586.64

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Solution

The fourth proportional to 548,777,336.80, 756,266,125.60 and 538,690,586.64 is: 742,365,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,777,336.80 : 756,266,125.60 = 538,690,586.64 : x
  2. Step 2: Convert to fraction form
    548,777,336.80/756,266,125.60 = 538,690,586.64/x
  3. Step 3: Cross multiply
    548,777,336.80x = 756,266,125.60 × 538,690,586.64
  4. Step 4: Simplify right side
    548,777,336.80x = 407,393,442,855,423,936
  5. Step 5: Solve for x
    x = 407,393,442,855,423,936/548,777,336.80
  6. Step 6: Final answer
    x = 742,365,647.30

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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.