Finding the Fourth Proportional to 1,171,488,410.01, 1,616,253,582.74 and 669,336,894.99
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Solution
The fourth proportional to 1,171,488,410.01, 1,616,253,582.74 and 669,336,894.99 is: 923,456,130.97
Step by Step Solution
- Step 1: Write the proportion equation
1,171,488,410.01 : 1,616,253,582.74 = 669,336,894.99 : x - Step 2: Convert to fraction form
1,171,488,410.01/1,616,253,582.74 = 669,336,894.99/x - Step 3: Cross multiply
1,171,488,410.01x = 1,616,253,582.74 × 669,336,894.99 - Step 4: Simplify right side
1,171,488,410.01x = 1,081,818,154,584,307,968 - Step 5: Solve for x
x = 1,081,818,154,584,307,968/1,171,488,410.01 - Step 6: Final answer
x = 923,456,130.97
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1.5x scale
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.