Home / 426,059,918.40-639,089,877.60-244,661,390.40

Finding the Fourth Proportional to 426,059,918.40, 639,089,877.60 and 244,661,390.40

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Solution

The fourth proportional to 426,059,918.40, 639,089,877.60 and 244,661,390.40 is: 366,992,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,059,918.40 : 639,089,877.60 = 244,661,390.40 : x
  2. Step 2: Convert to fraction form
    426,059,918.40/639,089,877.60 = 244,661,390.40/x
  3. Step 3: Cross multiply
    426,059,918.40x = 639,089,877.60 × 244,661,390.40
  4. Step 4: Simplify right side
    426,059,918.40x = 156,360,618,044,181,824
  5. Step 5: Solve for x
    x = 156,360,618,044,181,824/426,059,918.40
  6. Step 6: Final answer
    x = 366,992,085.60

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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.