Finding the Fourth Proportional to 4,945,544,072.60, 7,418,316,108.90 and 4,911,106,695.80
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Solution
The fourth proportional to 4,945,544,072.60, 7,418,316,108.90 and 4,911,106,695.80 is: 7,366,660,043.70
Step by Step Solution
- Step 1: Write the proportion equation
4,945,544,072.60 : 7,418,316,108.90 = 4,911,106,695.80 : x - Step 2: Convert to fraction form
4,945,544,072.60/7,418,316,108.90 = 4,911,106,695.80/x - Step 3: Cross multiply
4,945,544,072.60x = 7,418,316,108.90 × 4,911,106,695.80 - Step 4: Simplify right side
4,945,544,072.60x = 36,432,141,913,979,793,408 - Step 5: Solve for x
x = 36,432,141,913,979,793,408/4,945,544,072.60 - Step 6: Final answer
x = 7,366,660,043.70
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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.