Home / 545,747,916.60-818,621,874.90-200,630,131.20

Finding the Fourth Proportional to 545,747,916.60, 818,621,874.90 and 200,630,131.20

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Solution

The fourth proportional to 545,747,916.60, 818,621,874.90 and 200,630,131.20 is: 300,945,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,747,916.60 : 818,621,874.90 = 200,630,131.20 : x
  2. Step 2: Convert to fraction form
    545,747,916.60/818,621,874.90 = 200,630,131.20/x
  3. Step 3: Cross multiply
    545,747,916.60x = 818,621,874.90 × 200,630,131.20
  4. Step 4: Simplify right side
    545,747,916.60x = 164,240,214,164,376,960
  5. Step 5: Solve for x
    x = 164,240,214,164,376,960/545,747,916.60
  6. Step 6: Final answer
    x = 300,945,196.80

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1.5x scale

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.