Home / 436,799,384.40-655,199,076.60-389,182,270.80

Finding the Fourth Proportional to 436,799,384.40, 655,199,076.60 and 389,182,270.80

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Solution

The fourth proportional to 436,799,384.40, 655,199,076.60 and 389,182,270.80 is: 583,773,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,799,384.40 : 655,199,076.60 = 389,182,270.80 : x
  2. Step 2: Convert to fraction form
    436,799,384.40/655,199,076.60 = 389,182,270.80/x
  3. Step 3: Cross multiply
    436,799,384.40x = 655,199,076.60 × 389,182,270.80
  4. Step 4: Simplify right side
    436,799,384.40x = 254,991,864,457,251,168
  5. Step 5: Solve for x
    x = 254,991,864,457,251,168/436,799,384.40
  6. Step 6: Final answer
    x = 583,773,406.20

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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.