Home / 1,153,101,198.27-1,591,271,730-624,453,086.84

Finding the Fourth Proportional to 1,153,101,198.27, 1,591,271,730 and 624,453,086.84

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Solution

The fourth proportional to 1,153,101,198.27, 1,591,271,730 and 624,453,086.84 is: 861,740,968.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,101,198.27 : 1,591,271,730 = 624,453,086.84 : x
  2. Step 2: Convert to fraction form
    1,153,101,198.27/1,591,271,730 = 624,453,086.84/x
  3. Step 3: Cross multiply
    1,153,101,198.27x = 1,591,271,730 × 624,453,086.84
  4. Step 4: Simplify right side
    1,153,101,198.27x = 993,674,543,791,770,752
  5. Step 5: Solve for x
    x = 993,674,543,791,770,752/1,153,101,198.27
  6. Step 6: Final answer
    x = 861,740,968.86

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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.