Home / 719,025,100.61-1,077,584,170.96-369,257,040.38

Finding the Fourth Proportional to 719,025,100.61, 1,077,584,170.96 and 369,257,040.38

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Solution

The fourth proportional to 719,025,100.61, 1,077,584,170.96 and 369,257,040.38 is: 553,395,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,025,100.61 : 1,077,584,170.96 = 369,257,040.38 : x
  2. Step 2: Convert to fraction form
    719,025,100.61/1,077,584,170.96 = 369,257,040.38/x
  3. Step 3: Cross multiply
    719,025,100.61x = 1,077,584,170.96 × 369,257,040.38
  4. Step 4: Simplify right side
    719,025,100.61x = 397,905,541,729,025,536
  5. Step 5: Solve for x
    x = 397,905,541,729,025,536/719,025,100.61
  6. Step 6: Final answer
    x = 553,395,898.68

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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.