Finding the Fourth Proportional to 626,548,201.80, 939,822,302.70 and 626,548,201.80
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Solution
The fourth proportional to 626,548,201.80, 939,822,302.70 and 626,548,201.80 is: 939,822,302.70
Step by Step Solution
- Step 1: Write the proportion equation
626,548,201.80 : 939,822,302.70 = 626,548,201.80 : x - Step 2: Convert to fraction form
626,548,201.80/939,822,302.70 = 626,548,201.80/x - Step 3: Cross multiply
626,548,201.80x = 939,822,302.70 × 626,548,201.80 - Step 4: Simplify right side
626,548,201.80x = 588,843,973,768,220,288 - Step 5: Solve for x
x = 588,843,973,768,220,288/626,548,201.80 - Step 6: Final answer
x = 939,822,302.70
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Double scale
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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.