Finding the Fourth Proportional to 1,476,035,352,491.80, 2,211,635,251,062.20 and 786,104,848,248.90
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Solution
The fourth proportional to 1,476,035,352,491.80, 2,211,635,251,062.20 and 786,104,848,248.90 is: 1,177,869,615,712.90
Step by Step Solution
- Step 1: Write the proportion equation
1,476,035,352,491.80 : 2,211,635,251,062.20 = 786,104,848,248.90 : x - Step 2: Convert to fraction form
1,476,035,352,491.80/2,211,635,251,062.20 = 786,104,848,248.90/x - Step 3: Cross multiply
1,476,035,352,491.80x = 2,211,635,251,062.20 × 786,104,848,248.90 - Step 4: Simplify right side
1,476,035,352,491.80x = 1,738,577,193,418,168,815,583,232 - Step 5: Solve for x
x = 1,738,577,193,418,168,815,583,232/1,476,035,352,491.80 - Step 6: Final answer
x = 1,177,869,615,712.90
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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.