Home / 383,521,794.67-529,259,848.30-207,309,792.39

Finding the Fourth Proportional to 383,521,794.67, 529,259,848.30 and 207,309,792.39

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Solution

The fourth proportional to 383,521,794.67, 529,259,848.30 and 207,309,792.39 is: 286,087,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,521,794.67 : 529,259,848.30 = 207,309,792.39 : x
  2. Step 2: Convert to fraction form
    383,521,794.67/529,259,848.30 = 207,309,792.39/x
  3. Step 3: Cross multiply
    383,521,794.67x = 529,259,848.30 × 207,309,792.39
  4. Step 4: Simplify right side
    383,521,794.67x = 109,720,749,271,435,888
  5. Step 5: Solve for x
    x = 109,720,749,271,435,888/383,521,794.67
  6. Step 6: Final answer
    x = 286,087,390.07

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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.