Home / 856,109,145,667.68-1,284,134,634,492.50-219,407,795,076.96

Finding the Fourth Proportional to 856,109,145,667.68, 1,284,134,634,492.50 and 219,407,795,076.96

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Solution

The fourth proportional to 856,109,145,667.68, 1,284,134,634,492.50 and 219,407,795,076.96 is: 329,104,238,824.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,109,145,667.68 : 1,284,134,634,492.50 = 219,407,795,076.96 : x
  2. Step 2: Convert to fraction form
    856,109,145,667.68/1,284,134,634,492.50 = 219,407,795,076.96/x
  3. Step 3: Cross multiply
    856,109,145,667.68x = 1,284,134,634,492.50 × 219,407,795,076.96
  4. Step 4: Simplify right side
    856,109,145,667.68x = 281,749,148,735,957,343,666,176
  5. Step 5: Solve for x
    x = 281,749,148,735,957,343,666,176/856,109,145,667.68
  6. Step 6: Final answer
    x = 329,104,238,824.85

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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.