Home / 719,512,532.37-1,079,105,638.41-325,779,435.27

Finding the Fourth Proportional to 719,512,532.37, 1,079,105,638.41 and 325,779,435.27

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Solution

The fourth proportional to 719,512,532.37, 1,079,105,638.41 and 325,779,435.27 is: 488,595,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,512,532.37 : 1,079,105,638.41 = 325,779,435.27 : x
  2. Step 2: Convert to fraction form
    719,512,532.37/1,079,105,638.41 = 325,779,435.27/x
  3. Step 3: Cross multiply
    719,512,532.37x = 1,079,105,638.41 × 325,779,435.27
  4. Step 4: Simplify right side
    719,512,532.37x = 351,550,425,477,882,624
  5. Step 5: Solve for x
    x = 351,550,425,477,882,624/719,512,532.37
  6. Step 6: Final answer
    x = 488,595,277.58

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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.