Home / 1,155,467,767.57-1,594,410,998.20-646,858,331.93

Finding the Fourth Proportional to 1,155,467,767.57, 1,594,410,998.20 and 646,858,331.93

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Solution

The fourth proportional to 1,155,467,767.57, 1,594,410,998.20 and 646,858,331.93 is: 892,589,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,467,767.57 : 1,594,410,998.20 = 646,858,331.93 : x
  2. Step 2: Convert to fraction form
    1,155,467,767.57/1,594,410,998.20 = 646,858,331.93/x
  3. Step 3: Cross multiply
    1,155,467,767.57x = 1,594,410,998.20 × 646,858,331.93
  4. Step 4: Simplify right side
    1,155,467,767.57x = 1,031,358,038,708,867,072
  5. Step 5: Solve for x
    x = 1,031,358,038,708,867,072/1,155,467,767.57
  6. Step 6: Final answer
    x = 892,589,189.99

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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.