Finding the Fourth Proportional to 5,638,863,952.02, 7,781,176,701.48 and 3,260,155,182.48
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Solution
The fourth proportional to 5,638,863,952.02, 7,781,176,701.48 and 3,260,155,182.48 is: 4,498,750,770.54
Step by Step Solution
- Step 1: Write the proportion equation
5,638,863,952.02 : 7,781,176,701.48 = 3,260,155,182.48 : x - Step 2: Convert to fraction form
5,638,863,952.02/7,781,176,701.48 = 3,260,155,182.48/x - Step 3: Cross multiply
5,638,863,952.02x = 7,781,176,701.48 × 3,260,155,182.48 - Step 4: Simplify right side
5,638,863,952.02x = 25,367,843,549,122,654,208 - Step 5: Solve for x
x = 25,367,843,549,122,654,208/5,638,863,952.02 - Step 6: Final answer
x = 4,498,750,770.54
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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.