Finding the Fourth Proportional to 682,717,037.36, 942,149,512.76 and 369,451,251.18
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Solution
The fourth proportional to 682,717,037.36, 942,149,512.76 and 369,451,251.18 is: 509,842,727.28
Step by Step Solution
- Step 1: Write the proportion equation
682,717,037.36 : 942,149,512.76 = 369,451,251.18 : x - Step 2: Convert to fraction form
682,717,037.36/942,149,512.76 = 369,451,251.18/x - Step 3: Cross multiply
682,717,037.36x = 942,149,512.76 × 369,451,251.18 - Step 4: Simplify right side
682,717,037.36x = 348,078,316,285,962,112 - Step 5: Solve for x
x = 348,078,316,285,962,112/682,717,037.36 - Step 6: Final answer
x = 509,842,727.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.