Home / 665,946,603.78-998,465,884.42-337,789,339.63

Finding the Fourth Proportional to 665,946,603.78, 998,465,884.42 and 337,789,339.63

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Solution

The fourth proportional to 665,946,603.78, 998,465,884.42 and 337,789,339.63 is: 506,453,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,946,603.78 : 998,465,884.42 = 337,789,339.63 : x
  2. Step 2: Convert to fraction form
    665,946,603.78/998,465,884.42 = 337,789,339.63/x
  3. Step 3: Cross multiply
    665,946,603.78x = 998,465,884.42 × 337,789,339.63
  4. Step 4: Simplify right side
    665,946,603.78x = 337,271,131,740,471,232
  5. Step 5: Solve for x
    x = 337,271,131,740,471,232/665,946,603.78
  6. Step 6: Final answer
    x = 506,453,715.40

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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.