Home / 314,930,779.20-472,396,168.80-295,783,156.80

Finding the Fourth Proportional to 314,930,779.20, 472,396,168.80 and 295,783,156.80

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Solution

The fourth proportional to 314,930,779.20, 472,396,168.80 and 295,783,156.80 is: 443,674,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,779.20 : 472,396,168.80 = 295,783,156.80 : x
  2. Step 2: Convert to fraction form
    314,930,779.20/472,396,168.80 = 295,783,156.80/x
  3. Step 3: Cross multiply
    314,930,779.20x = 472,396,168.80 × 295,783,156.80
  4. Step 4: Simplify right side
    314,930,779.20x = 139,726,830,067,889,680
  5. Step 5: Solve for x
    x = 139,726,830,067,889,680/314,930,779.20
  6. Step 6: Final answer
    x = 443,674,735.20

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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.