Home / 309,731,781.80-464,597,672.70-283,903,749.20

Finding the Fourth Proportional to 309,731,781.80, 464,597,672.70 and 283,903,749.20

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Solution

The fourth proportional to 309,731,781.80, 464,597,672.70 and 283,903,749.20 is: 425,855,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,731,781.80 : 464,597,672.70 = 283,903,749.20 : x
  2. Step 2: Convert to fraction form
    309,731,781.80/464,597,672.70 = 283,903,749.20/x
  3. Step 3: Cross multiply
    309,731,781.80x = 464,597,672.70 × 283,903,749.20
  4. Step 4: Simplify right side
    309,731,781.80x = 131,901,021,149,124,480
  5. Step 5: Solve for x
    x = 131,901,021,149,124,480/309,731,781.80
  6. Step 6: Final answer
    x = 425,855,623.80

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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.