Home / 1,048,142,720.55-1,572,214,080.83-321,036,954.15

Finding the Fourth Proportional to 1,048,142,720.55, 1,572,214,080.83 and 321,036,954.15

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Solution

The fourth proportional to 1,048,142,720.55, 1,572,214,080.83 and 321,036,954.15 is: 481,555,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,142,720.55 : 1,572,214,080.83 = 321,036,954.15 : x
  2. Step 2: Convert to fraction form
    1,048,142,720.55/1,572,214,080.83 = 321,036,954.15/x
  3. Step 3: Cross multiply
    1,048,142,720.55x = 1,572,214,080.83 × 321,036,954.15
  4. Step 4: Simplify right side
    1,048,142,720.55x = 504,738,819,779,799,872
  5. Step 5: Solve for x
    x = 504,738,819,779,799,872/1,048,142,720.55
  6. Step 6: Final answer
    x = 481,555,431.23

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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.