Home / 330,328,094.52-455,741,193.60-187,258,509

Finding the Fourth Proportional to 330,328,094.52, 455,741,193.60 and 187,258,509

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Solution

The fourth proportional to 330,328,094.52, 455,741,193.60 and 187,258,509 is: 258,353,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,328,094.52 : 455,741,193.60 = 187,258,509 : x
  2. Step 2: Convert to fraction form
    330,328,094.52/455,741,193.60 = 187,258,509/x
  3. Step 3: Cross multiply
    330,328,094.52x = 455,741,193.60 × 187,258,509
  4. Step 4: Simplify right side
    330,328,094.52x = 85,341,416,403,416,352
  5. Step 5: Solve for x
    x = 85,341,416,403,416,352/330,328,094.52
  6. Step 6: Final answer
    x = 258,353,491.03

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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.