Home / 658,065,829.68-987,098,684.64-289,600,781.84

Finding the Fourth Proportional to 658,065,829.68, 987,098,684.64 and 289,600,781.84

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Solution

The fourth proportional to 658,065,829.68, 987,098,684.64 and 289,600,781.84 is: 434,401,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,065,829.68 : 987,098,684.64 = 289,600,781.84 : x
  2. Step 2: Convert to fraction form
    658,065,829.68/987,098,684.64 = 289,600,781.84/x
  3. Step 3: Cross multiply
    658,065,829.68x = 987,098,684.64 × 289,600,781.84
  4. Step 4: Simplify right side
    658,065,829.68x = 285,864,550,824,979,584
  5. Step 5: Solve for x
    x = 285,864,550,824,979,584/658,065,829.68
  6. Step 6: Final answer
    x = 434,401,146.41

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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.