Home / 677,969,669.20-1,016,963,951.96-193,295,477.20

Finding the Fourth Proportional to 677,969,669.20, 1,016,963,951.96 and 193,295,477.20

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Solution

The fourth proportional to 677,969,669.20, 1,016,963,951.96 and 193,295,477.20 is: 289,945,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,969,669.20 : 1,016,963,951.96 = 193,295,477.20 : x
  2. Step 2: Convert to fraction form
    677,969,669.20/1,016,963,951.96 = 193,295,477.20/x
  3. Step 3: Cross multiply
    677,969,669.20x = 1,016,963,951.96 × 193,295,477.20
  4. Step 4: Simplify right side
    677,969,669.20x = 196,574,532,389,306,080
  5. Step 5: Solve for x
    x = 196,574,532,389,306,080/677,969,669.20
  6. Step 6: Final answer
    x = 289,945,909.56

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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.