Finding the Fourth Proportional to 652,099,024.80, 978,148,537.20 and 434,420,791.20
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Solution
The fourth proportional to 652,099,024.80, 978,148,537.20 and 434,420,791.20 is: 651,631,186.80
Step by Step Solution
- Step 1: Write the proportion equation
652,099,024.80 : 978,148,537.20 = 434,420,791.20 : x - Step 2: Convert to fraction form
652,099,024.80/978,148,537.20 = 434,420,791.20/x - Step 3: Cross multiply
652,099,024.80x = 978,148,537.20 × 434,420,791.20 - Step 4: Simplify right side
652,099,024.80x = 424,928,061,441,546,624 - Step 5: Solve for x
x = 424,928,061,441,546,624/652,099,024.80 - Step 6: Final answer
x = 651,631,186.80
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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.