Home / 318,170,348.51-477,255,790.64-152,134,788.38

Finding the Fourth Proportional to 318,170,348.51, 477,255,790.64 and 152,134,788.38

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Solution

The fourth proportional to 318,170,348.51, 477,255,790.64 and 152,134,788.38 is: 228,202,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,170,348.51 : 477,255,790.64 = 152,134,788.38 : x
  2. Step 2: Convert to fraction form
    318,170,348.51/477,255,790.64 = 152,134,788.38/x
  3. Step 3: Cross multiply
    318,170,348.51x = 477,255,790.64 × 152,134,788.38
  4. Step 4: Simplify right side
    318,170,348.51x = 72,607,208,710,140,048
  5. Step 5: Solve for x
    x = 72,607,208,710,140,048/318,170,348.51
  6. Step 6: Final answer
    x = 228,202,310.65

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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.