Home / 298,574,879.40-447,862,319.10-169,434,716.40

Finding the Fourth Proportional to 298,574,879.40, 447,862,319.10 and 169,434,716.40

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Solution

The fourth proportional to 298,574,879.40, 447,862,319.10 and 169,434,716.40 is: 254,152,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,574,879.40 : 447,862,319.10 = 169,434,716.40 : x
  2. Step 2: Convert to fraction form
    298,574,879.40/447,862,319.10 = 169,434,716.40/x
  3. Step 3: Cross multiply
    298,574,879.40x = 447,862,319.10 × 169,434,716.40
  4. Step 4: Simplify right side
    298,574,879.40x = 75,883,425,022,954,816
  5. Step 5: Solve for x
    x = 75,883,425,022,954,816/298,574,879.40
  6. Step 6: Final answer
    x = 254,152,074.60

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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.