Home / 374,543,999.40-561,815,999.10-271,826,149.80

Finding the Fourth Proportional to 374,543,999.40, 561,815,999.10 and 271,826,149.80

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Solution

The fourth proportional to 374,543,999.40, 561,815,999.10 and 271,826,149.80 is: 407,739,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,543,999.40 : 561,815,999.10 = 271,826,149.80 : x
  2. Step 2: Convert to fraction form
    374,543,999.40/561,815,999.10 = 271,826,149.80/x
  3. Step 3: Cross multiply
    374,543,999.40x = 561,815,999.10 × 271,826,149.80
  4. Step 4: Simplify right side
    374,543,999.40x = 152,716,279,931,393,280
  5. Step 5: Solve for x
    x = 152,716,279,931,393,280/374,543,999.40
  6. Step 6: Final answer
    x = 407,739,224.70

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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.