Finding the Fourth Proportional to 4,930,573,619.80, 7,395,860,429.70 and 1,657,935,155.80
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Solution
The fourth proportional to 4,930,573,619.80, 7,395,860,429.70 and 1,657,935,155.80 is: 2,486,902,733.70
Step by Step Solution
- Step 1: Write the proportion equation
4,930,573,619.80 : 7,395,860,429.70 = 1,657,935,155.80 : x - Step 2: Convert to fraction form
4,930,573,619.80/7,395,860,429.70 = 1,657,935,155.80/x - Step 3: Cross multiply
4,930,573,619.80x = 7,395,860,429.70 × 1,657,935,155.80 - Step 4: Simplify right side
4,930,573,619.80x = 12,261,857,013,789,724,672 - Step 5: Solve for x
x = 12,261,857,013,789,724,672/4,930,573,619.80 - Step 6: Final answer
x = 2,486,902,733.70
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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.