Home / 789,942,457.97-1,184,765,547.46-396,363,608.36

Finding the Fourth Proportional to 789,942,457.97, 1,184,765,547.46 and 396,363,608.36

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Solution

The fourth proportional to 789,942,457.97, 1,184,765,547.46 and 396,363,608.36 is: 594,471,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,942,457.97 : 1,184,765,547.46 = 396,363,608.36 : x
  2. Step 2: Convert to fraction form
    789,942,457.97/1,184,765,547.46 = 396,363,608.36/x
  3. Step 3: Cross multiply
    789,942,457.97x = 1,184,765,547.46 × 396,363,608.36
  4. Step 4: Simplify right side
    789,942,457.97x = 469,597,947,445,183,424
  5. Step 5: Solve for x
    x = 469,597,947,445,183,424/789,942,457.97
  6. Step 6: Final answer
    x = 594,471,081.67

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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.