Home / 504,790,104.60-755,633,556.95-430,321,353.30

Finding the Fourth Proportional to 504,790,104.60, 755,633,556.95 and 430,321,353.30

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Solution

The fourth proportional to 504,790,104.60, 755,633,556.95 and 430,321,353.30 is: 644,159,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,790,104.60 : 755,633,556.95 = 430,321,353.30 : x
  2. Step 2: Convert to fraction form
    504,790,104.60/755,633,556.95 = 430,321,353.30/x
  3. Step 3: Cross multiply
    504,790,104.60x = 755,633,556.95 × 430,321,353.30
  4. Step 4: Simplify right side
    504,790,104.60x = 325,165,254,823,465,024
  5. Step 5: Solve for x
    x = 325,165,254,823,465,024/504,790,104.60
  6. Step 6: Final answer
    x = 644,159,328.52

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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.