Home / 506,494,684.96-698,984,510.36-280,433,667.38

Finding the Fourth Proportional to 506,494,684.96, 698,984,510.36 and 280,433,667.38

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Solution

The fourth proportional to 506,494,684.96, 698,984,510.36 and 280,433,667.38 is: 387,010,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,494,684.96 : 698,984,510.36 = 280,433,667.38 : x
  2. Step 2: Convert to fraction form
    506,494,684.96/698,984,510.36 = 280,433,667.38/x
  3. Step 3: Cross multiply
    506,494,684.96x = 698,984,510.36 × 280,433,667.38
  4. Step 4: Simplify right side
    506,494,684.96x = 196,018,789,682,068,416
  5. Step 5: Solve for x
    x = 196,018,789,682,068,416/506,494,684.96
  6. Step 6: Final answer
    x = 387,010,556.09

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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.