Home / 522,030,120.92-720,420,508.34-299,054,896.84

Finding the Fourth Proportional to 522,030,120.92, 720,420,508.34 and 299,054,896.84

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Solution

The fourth proportional to 522,030,120.92, 720,420,508.34 and 299,054,896.84 is: 412,706,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,030,120.92 : 720,420,508.34 = 299,054,896.84 : x
  2. Step 2: Convert to fraction form
    522,030,120.92/720,420,508.34 = 299,054,896.84/x
  3. Step 3: Cross multiply
    522,030,120.92x = 720,420,508.34 × 299,054,896.84
  4. Step 4: Simplify right side
    522,030,120.92x = 215,445,280,803,039,040
  5. Step 5: Solve for x
    x = 215,445,280,803,039,040/522,030,120.92
  6. Step 6: Final answer
    x = 412,706,608.62

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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.