Home / 399,089,999.60-598,187,101.80-169,019,932.40

Finding the Fourth Proportional to 399,089,999.60, 598,187,101.80 and 169,019,932.40

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Solution

The fourth proportional to 399,089,999.60, 598,187,101.80 and 169,019,932.40 is: 253,340,208.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,089,999.60 : 598,187,101.80 = 169,019,932.40 : x
  2. Step 2: Convert to fraction form
    399,089,999.60/598,187,101.80 = 169,019,932.40/x
  3. Step 3: Cross multiply
    399,089,999.60x = 598,187,101.80 × 169,019,932.40
  4. Step 4: Simplify right side
    399,089,999.60x = 101,105,543,508,787,920
  5. Step 5: Solve for x
    x = 101,105,543,508,787,920/399,089,999.60
  6. Step 6: Final answer
    x = 253,340,208.00

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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.