Home / 665,030,468.20-997,545,702.30-204,927,658.60

Finding the Fourth Proportional to 665,030,468.20, 997,545,702.30 and 204,927,658.60

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Solution

The fourth proportional to 665,030,468.20, 997,545,702.30 and 204,927,658.60 is: 307,391,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,030,468.20 : 997,545,702.30 = 204,927,658.60 : x
  2. Step 2: Convert to fraction form
    665,030,468.20/997,545,702.30 = 204,927,658.60/x
  3. Step 3: Cross multiply
    665,030,468.20x = 997,545,702.30 × 204,927,658.60
  4. Step 4: Simplify right side
    665,030,468.20x = 204,424,705,118,831,616
  5. Step 5: Solve for x
    x = 204,424,705,118,831,616/665,030,468.20
  6. Step 6: Final answer
    x = 307,391,487.90

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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.