Home / 665,347,724.16-997,656,269.76-205,158,134.40

Finding the Fourth Proportional to 665,347,724.16, 997,656,269.76 and 205,158,134.40

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Solution

The fourth proportional to 665,347,724.16, 997,656,269.76 and 205,158,134.40 is: 307,624,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,347,724.16 : 997,656,269.76 = 205,158,134.40 : x
  2. Step 2: Convert to fraction form
    665,347,724.16/997,656,269.76 = 205,158,134.40/x
  3. Step 3: Cross multiply
    665,347,724.16x = 997,656,269.76 × 205,158,134.40
  4. Step 4: Simplify right side
    665,347,724.16x = 204,677,299,076,424,736
  5. Step 5: Solve for x
    x = 204,677,299,076,424,736/665,347,724.16
  6. Step 6: Final answer
    x = 307,624,557.27

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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.