Home / 262,726,482.40-394,089,723.60-165,980,600.80

Finding the Fourth Proportional to 262,726,482.40, 394,089,723.60 and 165,980,600.80

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Solution

The fourth proportional to 262,726,482.40, 394,089,723.60 and 165,980,600.80 is: 248,970,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,726,482.40 : 394,089,723.60 = 165,980,600.80 : x
  2. Step 2: Convert to fraction form
    262,726,482.40/394,089,723.60 = 165,980,600.80/x
  3. Step 3: Cross multiply
    262,726,482.40x = 394,089,723.60 × 165,980,600.80
  4. Step 4: Simplify right side
    262,726,482.40x = 65,411,249,092,233,944
  5. Step 5: Solve for x
    x = 65,411,249,092,233,944/262,726,482.40
  6. Step 6: Final answer
    x = 248,970,901.20

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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.