Home / 545,331,172.72-818,077,484.01-200,257,895.62

Finding the Fourth Proportional to 545,331,172.72, 818,077,484.01 and 200,257,895.62

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Solution

The fourth proportional to 545,331,172.72, 818,077,484.01 and 200,257,895.62 is: 300,416,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,331,172.72 : 818,077,484.01 = 200,257,895.62 : x
  2. Step 2: Convert to fraction form
    545,331,172.72/818,077,484.01 = 200,257,895.62/x
  3. Step 3: Cross multiply
    545,331,172.72x = 818,077,484.01 × 200,257,895.62
  4. Step 4: Simplify right side
    545,331,172.72x = 163,826,475,401,946,816
  5. Step 5: Solve for x
    x = 163,826,475,401,946,816/545,331,172.72
  6. Step 6: Final answer
    x = 300,416,487.44

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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.