Home / 354,868,021.80-531,505,770.30-291,167,029.80

Finding the Fourth Proportional to 354,868,021.80, 531,505,770.30 and 291,167,029.80

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Solution

The fourth proportional to 354,868,021.80, 531,505,770.30 and 291,167,029.80 is: 436,097,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,868,021.80 : 531,505,770.30 = 291,167,029.80 : x
  2. Step 2: Convert to fraction form
    354,868,021.80/531,505,770.30 = 291,167,029.80/x
  3. Step 3: Cross multiply
    354,868,021.80x = 531,505,770.30 × 291,167,029.80
  4. Step 4: Simplify right side
    354,868,021.80x = 154,756,956,459,812,064
  5. Step 5: Solve for x
    x = 154,756,956,459,812,064/354,868,021.80
  6. Step 6: Final answer
    x = 436,097,216.30

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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.