Home / 677,952,801.60-1,016,929,202.40-186,665,121.60

Finding the Fourth Proportional to 677,952,801.60, 1,016,929,202.40 and 186,665,121.60

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Solution

The fourth proportional to 677,952,801.60, 1,016,929,202.40 and 186,665,121.60 is: 279,997,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,952,801.60 : 1,016,929,202.40 = 186,665,121.60 : x
  2. Step 2: Convert to fraction form
    677,952,801.60/1,016,929,202.40 = 186,665,121.60/x
  3. Step 3: Cross multiply
    677,952,801.60x = 1,016,929,202.40 × 186,665,121.60
  4. Step 4: Simplify right side
    677,952,801.60x = 189,825,213,224,587,008
  5. Step 5: Solve for x
    x = 189,825,213,224,587,008/677,952,801.60
  6. Step 6: Final answer
    x = 279,997,682.40

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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.