Home / 677,969,695.20-1,016,963,990.96-193,295,503.20

Finding the Fourth Proportional to 677,969,695.20, 1,016,963,990.96 and 193,295,503.20

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Solution

The fourth proportional to 677,969,695.20, 1,016,963,990.96 and 193,295,503.20 is: 289,945,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,969,695.20 : 1,016,963,990.96 = 193,295,503.20 : x
  2. Step 2: Convert to fraction form
    677,969,695.20/1,016,963,990.96 = 193,295,503.20/x
  3. Step 3: Cross multiply
    677,969,695.20x = 1,016,963,990.96 × 193,295,503.20
  4. Step 4: Simplify right side
    677,969,695.20x = 196,574,566,368,893,440
  5. Step 5: Solve for x
    x = 196,574,566,368,893,440/677,969,695.20
  6. Step 6: Final answer
    x = 289,945,948.56

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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.