Home / 579,704,203.26-799,998,143.91-315,387,698.94

Finding the Fourth Proportional to 579,704,203.26, 799,998,143.91 and 315,387,698.94

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Solution

The fourth proportional to 579,704,203.26, 799,998,143.91 and 315,387,698.94 is: 435,238,475.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,704,203.26 : 799,998,143.91 = 315,387,698.94 : x
  2. Step 2: Convert to fraction form
    579,704,203.26/799,998,143.91 = 315,387,698.94/x
  3. Step 3: Cross multiply
    579,704,203.26x = 799,998,143.91 × 315,387,698.94
  4. Step 4: Simplify right side
    579,704,203.26x = 252,309,573,764,045,856
  5. Step 5: Solve for x
    x = 252,309,573,764,045,856/579,704,203.26
  6. Step 6: Final answer
    x = 435,238,475.67

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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.