Finding the Fourth Proportional to 5,749,724,123.68, 7,934,696,385.36 and 3,243,590,085.28
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Solution
The fourth proportional to 5,749,724,123.68, 7,934,696,385.36 and 3,243,590,085.28 is: 4,476,197,809.09
Step by Step Solution
- Step 1: Write the proportion equation
5,749,724,123.68 : 7,934,696,385.36 = 3,243,590,085.28 : x - Step 2: Convert to fraction form
5,749,724,123.68/7,934,696,385.36 = 3,243,590,085.28/x - Step 3: Cross multiply
5,749,724,123.68x = 7,934,696,385.36 × 3,243,590,085.28 - Step 4: Simplify right side
5,749,724,123.68x = 25,736,902,525,260,750,848 - Step 5: Solve for x
x = 25,736,902,525,260,750,848/5,749,724,123.68 - Step 6: Final answer
x = 4,476,197,809.09
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Double scale
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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.