Home / 522,398,575.28-720,888,419.92-284,244,739.96

Finding the Fourth Proportional to 522,398,575.28, 720,888,419.92 and 284,244,739.96

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Solution

The fourth proportional to 522,398,575.28, 720,888,419.92 and 284,244,739.96 is: 392,245,980.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,398,575.28 : 720,888,419.92 = 284,244,739.96 : x
  2. Step 2: Convert to fraction form
    522,398,575.28/720,888,419.92 = 284,244,739.96/x
  3. Step 3: Cross multiply
    522,398,575.28x = 720,888,419.92 × 284,244,739.96
  4. Step 4: Simplify right side
    522,398,575.28x = 204,908,741,460,335,648
  5. Step 5: Solve for x
    x = 204,908,741,460,335,648/522,398,575.28
  6. Step 6: Final answer
    x = 392,245,980.67

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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.