Home / 1,284,330,517-1,772,523,143.64-719,967,826

Finding the Fourth Proportional to 1,284,330,517, 1,772,523,143.64 and 719,967,826

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Solution

The fourth proportional to 1,284,330,517, 1,772,523,143.64 and 719,967,826 is: 993,638,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,330,517 : 1,772,523,143.64 = 719,967,826 : x
  2. Step 2: Convert to fraction form
    1,284,330,517/1,772,523,143.64 = 719,967,826/x
  3. Step 3: Cross multiply
    1,284,330,517x = 1,772,523,143.64 × 719,967,826
  4. Step 4: Simplify right side
    1,284,330,517x = 1,276,159,634,261,176,576
  5. Step 5: Solve for x
    x = 1,276,159,634,261,176,576/1,284,330,517
  6. Step 6: Final answer
    x = 993,638,021.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.