Home / 342,145,864.80-512,211,027.60-322,214,421.60

Finding the Fourth Proportional to 342,145,864.80, 512,211,027.60 and 322,214,421.60

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Solution

The fourth proportional to 342,145,864.80, 512,211,027.60 and 322,214,421.60 is: 482,372,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,145,864.80 : 512,211,027.60 = 322,214,421.60 : x
  2. Step 2: Convert to fraction form
    342,145,864.80/512,211,027.60 = 322,214,421.60/x
  3. Step 3: Cross multiply
    342,145,864.80x = 512,211,027.60 × 322,214,421.60
  4. Step 4: Simplify right side
    342,145,864.80x = 165,041,779,995,275,648
  5. Step 5: Solve for x
    x = 165,041,779,995,275,648/342,145,864.80
  6. Step 6: Final answer
    x = 482,372,569.64

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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.