Finding the Fourth Proportional to 5,872,437,460.80, 8,818,859,858.40 and 3,117,447,316.80
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Solution
The fourth proportional to 5,872,437,460.80, 8,818,859,858.40 and 3,117,447,316.80 is: 4,681,587,702.95
Step by Step Solution
- Step 1: Write the proportion equation
5,872,437,460.80 : 8,818,859,858.40 = 3,117,447,316.80 : x - Step 2: Convert to fraction form
5,872,437,460.80/8,818,859,858.40 = 3,117,447,316.80/x - Step 3: Cross multiply
5,872,437,460.80x = 8,818,859,858.40 × 3,117,447,316.80 - Step 4: Simplify right side
5,872,437,460.80x = 27,492,331,002,804,310,016 - Step 5: Solve for x
x = 27,492,331,002,804,310,016/5,872,437,460.80 - Step 6: Final answer
x = 4,681,587,702.95
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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.