Home / 389,247,255.02-537,162,635.55-210,631,144.94

Finding the Fourth Proportional to 389,247,255.02, 537,162,635.55 and 210,631,144.94

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Solution

The fourth proportional to 389,247,255.02, 537,162,635.55 and 210,631,144.94 is: 290,671,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,247,255.02 : 537,162,635.55 = 210,631,144.94 : x
  2. Step 2: Convert to fraction form
    389,247,255.02/537,162,635.55 = 210,631,144.94/x
  3. Step 3: Cross multiply
    389,247,255.02x = 537,162,635.55 × 210,631,144.94
  4. Step 4: Simplify right side
    389,247,255.02x = 113,143,180,946,670,336
  5. Step 5: Solve for x
    x = 113,143,180,946,670,336/389,247,255.02
  6. Step 6: Final answer
    x = 290,671,750.38

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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.