Finding the Fourth Proportional to 4,367,487,083.60, 6,551,230,625.40 and 1,918,606,955.60
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Solution
The fourth proportional to 4,367,487,083.60, 6,551,230,625.40 and 1,918,606,955.60 is: 2,877,910,433.40
Step by Step Solution
- Step 1: Write the proportion equation
4,367,487,083.60 : 6,551,230,625.40 = 1,918,606,955.60 : x - Step 2: Convert to fraction form
4,367,487,083.60/6,551,230,625.40 = 1,918,606,955.60/x - Step 3: Cross multiply
4,367,487,083.60x = 6,551,230,625.40 × 1,918,606,955.60 - Step 4: Simplify right side
4,367,487,083.60x = 12,569,236,645,632,176,128 - Step 5: Solve for x
x = 12,569,236,645,632,176,128/4,367,487,083.60 - Step 6: Final answer
x = 2,877,910,433.40
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Double scale
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Similar ratio
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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.