Home / 1,269,354,100.79-1,904,028,613.95-336,770,426.90

Finding the Fourth Proportional to 1,269,354,100.79, 1,904,028,613.95 and 336,770,426.90

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Solution

The fourth proportional to 1,269,354,100.79, 1,904,028,613.95 and 336,770,426.90 is: 505,154,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,354,100.79 : 1,904,028,613.95 = 336,770,426.90 : x
  2. Step 2: Convert to fraction form
    1,269,354,100.79/1,904,028,613.95 = 336,770,426.90/x
  3. Step 3: Cross multiply
    1,269,354,100.79x = 1,904,028,613.95 × 336,770,426.90
  4. Step 4: Simplify right side
    1,269,354,100.79x = 641,220,529,140,236,672
  5. Step 5: Solve for x
    x = 641,220,529,140,236,672/1,269,354,100.79
  6. Step 6: Final answer
    x = 505,154,967.19

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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.