Home / 374,536,704.80-561,805,057.20-338,256,999.20

Finding the Fourth Proportional to 374,536,704.80, 561,805,057.20 and 338,256,999.20

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Solution

The fourth proportional to 374,536,704.80, 561,805,057.20 and 338,256,999.20 is: 507,385,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,536,704.80 : 561,805,057.20 = 338,256,999.20 : x
  2. Step 2: Convert to fraction form
    374,536,704.80/561,805,057.20 = 338,256,999.20/x
  3. Step 3: Cross multiply
    374,536,704.80x = 561,805,057.20 × 338,256,999.20
  4. Step 4: Simplify right side
    374,536,704.80x = 190,034,492,783,856,352
  5. Step 5: Solve for x
    x = 190,034,492,783,856,352/374,536,704.80
  6. Step 6: Final answer
    x = 507,385,498.80

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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.