Finding the Fourth Proportional to 340,996,894.09, 470,540,573.96 and 251,736,312.84
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Solution
The fourth proportional to 340,996,894.09, 470,540,573.96 and 251,736,312.84 is: 347,370,170.18
Step by Step Solution
- Step 1: Write the proportion equation
340,996,894.09 : 470,540,573.96 = 251,736,312.84 : x - Step 2: Convert to fraction form
340,996,894.09/470,540,573.96 = 251,736,312.84/x - Step 3: Cross multiply
340,996,894.09x = 470,540,573.96 × 251,736,312.84 - Step 4: Simplify right side
340,996,894.09x = 118,452,149,130,728,864 - Step 5: Solve for x
x = 118,452,149,130,728,864/340,996,894.09 - Step 6: Final answer
x = 347,370,170.18
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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.