Finding the Fourth Proportional to 683,319,191.58, 942,975,788.94 and 370,046,236.68
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Solution
The fourth proportional to 683,319,191.58, 942,975,788.94 and 370,046,236.68 is: 510,661,263.84
Step by Step Solution
- Step 1: Write the proportion equation
683,319,191.58 : 942,975,788.94 = 370,046,236.68 : x - Step 2: Convert to fraction form
683,319,191.58/942,975,788.94 = 370,046,236.68/x - Step 3: Cross multiply
683,319,191.58x = 942,975,788.94 × 370,046,236.68 - Step 4: Simplify right side
683,319,191.58x = 348,944,641,977,601,024 - Step 5: Solve for x
x = 348,944,641,977,601,024/683,319,191.58 - Step 6: Final answer
x = 510,661,263.84
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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.