Finding the Fourth Proportional to 847,102,562.70, 1,270,653,844.05 and 847,102,562.70
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Solution
The fourth proportional to 847,102,562.70, 1,270,653,844.05 and 847,102,562.70 is: 1,270,653,844.05
Step by Step Solution
- Step 1: Write the proportion equation
847,102,562.70 : 1,270,653,844.05 = 847,102,562.70 : x - Step 2: Convert to fraction form
847,102,562.70/1,270,653,844.05 = 847,102,562.70/x - Step 3: Cross multiply
847,102,562.70x = 1,270,653,844.05 × 847,102,562.70 - Step 4: Simplify right side
847,102,562.70x = 1,076,374,127,599,361,152 - Step 5: Solve for x
x = 1,076,374,127,599,361,152/847,102,562.70 - Step 6: Final answer
x = 1,270,653,844.05
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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.