Home / 275,676,990.20-413,515,485.30-173,640,318.20

Finding the Fourth Proportional to 275,676,990.20, 413,515,485.30 and 173,640,318.20

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Solution

The fourth proportional to 275,676,990.20, 413,515,485.30 and 173,640,318.20 is: 260,460,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,676,990.20 : 413,515,485.30 = 173,640,318.20 : x
  2. Step 2: Convert to fraction form
    275,676,990.20/413,515,485.30 = 173,640,318.20/x
  3. Step 3: Cross multiply
    275,676,990.20x = 413,515,485.30 × 173,640,318.20
  4. Step 4: Simplify right side
    275,676,990.20x = 71,802,960,448,119,416
  5. Step 5: Solve for x
    x = 71,802,960,448,119,416/275,676,990.20
  6. Step 6: Final answer
    x = 260,460,477.30

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1.5x scale

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.