Finding the Fourth Proportional to 642,752,043,309.36, 886,997,964,552.84 and 353,720,302,696.62
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Solution
The fourth proportional to 642,752,043,309.36, 886,997,964,552.84 and 353,720,302,696.62 is: 488,134,097,400.15
Step by Step Solution
- Step 1: Write the proportion equation
642,752,043,309.36 : 886,997,964,552.84 = 353,720,302,696.62 : x - Step 2: Convert to fraction form
642,752,043,309.36/886,997,964,552.84 = 353,720,302,696.62/x - Step 3: Cross multiply
642,752,043,309.36x = 886,997,964,552.84 × 353,720,302,696.62 - Step 4: Simplify right side
642,752,043,309.36x = 313,749,188,512,916,353,056,768 - Step 5: Solve for x
x = 313,749,188,512,916,353,056,768/642,752,043,309.36 - Step 6: Final answer
x = 488,134,097,400.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.