Home / 673,603,669.20-1,010,405,503.80-664,533,742.80

Finding the Fourth Proportional to 673,603,669.20, 1,010,405,503.80 and 664,533,742.80

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Solution

The fourth proportional to 673,603,669.20, 1,010,405,503.80 and 664,533,742.80 is: 996,800,614.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,603,669.20 : 1,010,405,503.80 = 664,533,742.80 : x
  2. Step 2: Convert to fraction form
    673,603,669.20/1,010,405,503.80 = 664,533,742.80/x
  3. Step 3: Cross multiply
    673,603,669.20x = 1,010,405,503.80 × 664,533,742.80
  4. Step 4: Simplify right side
    673,603,669.20x = 671,448,551,185,933,568
  5. Step 5: Solve for x
    x = 671,448,551,185,933,568/673,603,669.20
  6. Step 6: Final answer
    x = 996,800,614.20

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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.