Finding the Fourth Proportional to 713,763,965.34, 1,070,403,402.24 and 247,316,537.52
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Solution
The fourth proportional to 713,763,965.34, 1,070,403,402.24 and 247,316,537.52 is: 370,890,765.08
Step by Step Solution
- Step 1: Write the proportion equation
713,763,965.34 : 1,070,403,402.24 = 247,316,537.52 : x - Step 2: Convert to fraction form
713,763,965.34/1,070,403,402.24 = 247,316,537.52/x - Step 3: Cross multiply
713,763,965.34x = 1,070,403,402.24 × 247,316,537.52 - Step 4: Simplify right side
713,763,965.34x = 264,728,463,191,624,640 - Step 5: Solve for x
x = 264,728,463,191,624,640/713,763,965.34 - Step 6: Final answer
x = 370,890,765.08
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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.