Finding the Fourth Proportional to 47,997,367,422.45, 66,236,344,004.94 and 28,706,827,026.99
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Solution
The fourth proportional to 47,997,367,422.45, 66,236,344,004.94 and 28,706,827,026.99 is: 39,615,407,518.39
Step by Step Solution
- Step 1: Write the proportion equation
47,997,367,422.45 : 66,236,344,004.94 = 28,706,827,026.99 : x - Step 2: Convert to fraction form
47,997,367,422.45/66,236,344,004.94 = 28,706,827,026.99/x - Step 3: Cross multiply
47,997,367,422.45x = 66,236,344,004.94 × 28,706,827,026.99 - Step 4: Simplify right side
47,997,367,422.45x = 1,901,435,270,250,018,897,920 - Step 5: Solve for x
x = 1,901,435,270,250,018,897,920/47,997,367,422.45 - Step 6: Final answer
x = 39,615,407,518.39
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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.