Home / 354,286,820.40-531,430,230.60-297,851,722.80

Finding the Fourth Proportional to 354,286,820.40, 531,430,230.60 and 297,851,722.80

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Solution

The fourth proportional to 354,286,820.40, 531,430,230.60 and 297,851,722.80 is: 446,777,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,286,820.40 : 531,430,230.60 = 297,851,722.80 : x
  2. Step 2: Convert to fraction form
    354,286,820.40/531,430,230.60 = 297,851,722.80/x
  3. Step 3: Cross multiply
    354,286,820.40x = 531,430,230.60 × 297,851,722.80
  4. Step 4: Simplify right side
    354,286,820.40x = 158,287,409,732,211,296
  5. Step 5: Solve for x
    x = 158,287,409,732,211,296/354,286,820.40
  6. Step 6: Final answer
    x = 446,777,584.20

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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.