Finding the Fourth Proportional to 61,173,564,204.64, 84,408,311,965.68 and 34,076,164,182.80
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Solution
The fourth proportional to 61,173,564,204.64, 84,408,311,965.68 and 34,076,164,182.80 is: 47,018,864,019.65
Step by Step Solution
- Step 1: Write the proportion equation
61,173,564,204.64 : 84,408,311,965.68 = 34,076,164,182.80 : x - Step 2: Convert to fraction form
61,173,564,204.64/84,408,311,965.68 = 34,076,164,182.80/x - Step 3: Cross multiply
61,173,564,204.64x = 84,408,311,965.68 × 34,076,164,182.80 - Step 4: Simplify right side
61,173,564,204.64x = 2,876,311,496,935,512,997,888 - Step 5: Solve for x
x = 2,876,311,496,935,512,997,888/61,173,564,204.64 - Step 6: Final answer
x = 47,018,864,019.65
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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.