Finding the Fourth Proportional to 683,112,353.43, 942,683,616.50 and 369,844,023.99
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Solution
The fourth proportional to 683,112,353.43, 942,683,616.50 and 369,844,023.99 is: 510,378,564.12
Step by Step Solution
- Step 1: Write the proportion equation
683,112,353.43 : 942,683,616.50 = 369,844,023.99 : x - Step 2: Convert to fraction form
683,112,353.43/942,683,616.50 = 369,844,023.99/x - Step 3: Cross multiply
683,112,353.43x = 942,683,616.50 × 369,844,023.99 - Step 4: Simplify right side
683,112,353.43x = 348,645,902,073,956,736 - Step 5: Solve for x
x = 348,645,902,073,956,736/683,112,353.43 - Step 6: Final answer
x = 510,378,564.12
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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.