Finding the Fourth Proportional to 1,055,104,714.48, 1,580,659,405.98 and 704,292,980.62
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Solution
The fourth proportional to 1,055,104,714.48, 1,580,659,405.98 and 704,292,980.62 is: 1,055,106,009.01
Step by Step Solution
- Step 1: Write the proportion equation
1,055,104,714.48 : 1,580,659,405.98 = 704,292,980.62 : x - Step 2: Convert to fraction form
1,055,104,714.48/1,580,659,405.98 = 704,292,980.62/x - Step 3: Cross multiply
1,055,104,714.48x = 1,580,659,405.98 × 704,292,980.62 - Step 4: Simplify right side
1,055,104,714.48x = 1,113,247,324,382,692,864 - Step 5: Solve for x
x = 1,113,247,324,382,692,864/1,055,104,714.48 - Step 6: Final answer
x = 1,055,106,009.01
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1.5x scale
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.