Home / 336,808,840.80-505,213,261.20-164,396,258.40

Finding the Fourth Proportional to 336,808,840.80, 505,213,261.20 and 164,396,258.40

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Solution

The fourth proportional to 336,808,840.80, 505,213,261.20 and 164,396,258.40 is: 246,594,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,808,840.80 : 505,213,261.20 = 164,396,258.40 : x
  2. Step 2: Convert to fraction form
    336,808,840.80/505,213,261.20 = 164,396,258.40/x
  3. Step 3: Cross multiply
    336,808,840.80x = 505,213,261.20 × 164,396,258.40
  4. Step 4: Simplify right side
    336,808,840.80x = 83,055,169,835,341,888
  5. Step 5: Solve for x
    x = 83,055,169,835,341,888/336,808,840.80
  6. Step 6: Final answer
    x = 246,594,387.60

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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.