Home / 383,768,221.07-529,600,131.51-207,556,212.17

Finding the Fourth Proportional to 383,768,221.07, 529,600,131.51 and 207,556,212.17

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Solution

The fourth proportional to 383,768,221.07, 529,600,131.51 and 207,556,212.17 is: 286,427,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,768,221.07 : 529,600,131.51 = 207,556,212.17 : x
  2. Step 2: Convert to fraction form
    383,768,221.07/529,600,131.51 = 207,556,212.17/x
  3. Step 3: Cross multiply
    383,768,221.07x = 529,600,131.51 × 207,556,212.17
  4. Step 4: Simplify right side
    383,768,221.07x = 109,921,797,261,495,136
  5. Step 5: Solve for x
    x = 109,921,797,261,495,136/383,768,221.07
  6. Step 6: Final answer
    x = 286,427,565.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.