Home / 409,397,146.80-614,005,181.60-118,200,954.48

Finding the Fourth Proportional to 409,397,146.80, 614,005,181.60 and 118,200,954.48

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Solution

The fourth proportional to 409,397,146.80, 614,005,181.60 and 118,200,954.48 is: 177,275,291.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,397,146.80 : 614,005,181.60 = 118,200,954.48 : x
  2. Step 2: Convert to fraction form
    409,397,146.80/614,005,181.60 = 118,200,954.48/x
  3. Step 3: Cross multiply
    409,397,146.80x = 614,005,181.60 × 118,200,954.48
  4. Step 4: Simplify right side
    409,397,146.80x = 72,575,998,520,785,744
  5. Step 5: Solve for x
    x = 72,575,998,520,785,744/409,397,146.80
  6. Step 6: Final answer
    x = 177,275,291.46

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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.