Home / 298,828,276.80-448,242,415.20-183,438,657.60

Finding the Fourth Proportional to 298,828,276.80, 448,242,415.20 and 183,438,657.60

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Solution

The fourth proportional to 298,828,276.80, 448,242,415.20 and 183,438,657.60 is: 275,157,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,828,276.80 : 448,242,415.20 = 183,438,657.60 : x
  2. Step 2: Convert to fraction form
    298,828,276.80/448,242,415.20 = 183,438,657.60/x
  3. Step 3: Cross multiply
    298,828,276.80x = 448,242,415.20 × 183,438,657.60
  4. Step 4: Simplify right side
    298,828,276.80x = 82,224,986,923,669,824
  5. Step 5: Solve for x
    x = 82,224,986,923,669,824/298,828,276.80
  6. Step 6: Final answer
    x = 275,157,986.40

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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.