Home / 309,041,704.22-426,477,454.21-169,821,434.05

Finding the Fourth Proportional to 309,041,704.22, 426,477,454.21 and 169,821,434.05

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Solution

The fourth proportional to 309,041,704.22, 426,477,454.21 and 169,821,434.05 is: 234,353,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,041,704.22 : 426,477,454.21 = 169,821,434.05 : x
  2. Step 2: Convert to fraction form
    309,041,704.22/426,477,454.21 = 169,821,434.05/x
  3. Step 3: Cross multiply
    309,041,704.22x = 426,477,454.21 × 169,821,434.05
  4. Step 4: Simplify right side
    309,041,704.22x = 72,425,012,863,081,504
  5. Step 5: Solve for x
    x = 72,425,012,863,081,504/309,041,704.22
  6. Step 6: Final answer
    x = 234,353,525.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.