Home / 426,706,887.40-640,060,331.10-295,192,954.60

Finding the Fourth Proportional to 426,706,887.40, 640,060,331.10 and 295,192,954.60

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Solution

The fourth proportional to 426,706,887.40, 640,060,331.10 and 295,192,954.60 is: 442,789,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,706,887.40 : 640,060,331.10 = 295,192,954.60 : x
  2. Step 2: Convert to fraction form
    426,706,887.40/640,060,331.10 = 295,192,954.60/x
  3. Step 3: Cross multiply
    426,706,887.40x = 640,060,331.10 × 295,192,954.60
  4. Step 4: Simplify right side
    426,706,887.40x = 188,941,300,259,663,296
  5. Step 5: Solve for x
    x = 188,941,300,259,663,296/426,706,887.40
  6. Step 6: Final answer
    x = 442,789,431.90

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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.