Home / 426,059,728.40-639,089,592.60-244,661,200.40

Finding the Fourth Proportional to 426,059,728.40, 639,089,592.60 and 244,661,200.40

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Solution

The fourth proportional to 426,059,728.40, 639,089,592.60 and 244,661,200.40 is: 366,991,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,059,728.40 : 639,089,592.60 = 244,661,200.40 : x
  2. Step 2: Convert to fraction form
    426,059,728.40/639,089,592.60 = 244,661,200.40/x
  3. Step 3: Cross multiply
    426,059,728.40x = 639,089,592.60 × 244,661,200.40
  4. Step 4: Simplify right side
    426,059,728.40x = 156,360,426,888,662,976
  5. Step 5: Solve for x
    x = 156,360,426,888,662,976/426,059,728.40
  6. Step 6: Final answer
    x = 366,991,800.60

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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.