Home / 354,295,666.80-531,443,500.20-328,467,634.20

Finding the Fourth Proportional to 354,295,666.80, 531,443,500.20 and 328,467,634.20

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Solution

The fourth proportional to 354,295,666.80, 531,443,500.20 and 328,467,634.20 is: 492,701,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,295,666.80 : 531,443,500.20 = 328,467,634.20 : x
  2. Step 2: Convert to fraction form
    354,295,666.80/531,443,500.20 = 328,467,634.20/x
  3. Step 3: Cross multiply
    354,295,666.80x = 531,443,500.20 × 328,467,634.20
  4. Step 4: Simplify right side
    354,295,666.80x = 174,561,989,221,661,216
  5. Step 5: Solve for x
    x = 174,561,989,221,661,216/354,295,666.80
  6. Step 6: Final answer
    x = 492,701,451.30

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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.