Finding the Fourth Proportional to 384,912,075.80, 577,368,113.70 and 294,212,811.80
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Solution
The fourth proportional to 384,912,075.80, 577,368,113.70 and 294,212,811.80 is: 441,319,217.70
Step by Step Solution
- Step 1: Write the proportion equation
384,912,075.80 : 577,368,113.70 = 294,212,811.80 : x - Step 2: Convert to fraction form
384,912,075.80/577,368,113.70 = 294,212,811.80/x - Step 3: Cross multiply
384,912,075.80x = 577,368,113.70 × 294,212,811.80 - Step 4: Simplify right side
384,912,075.80x = 169,869,096,175,339,136 - Step 5: Solve for x
x = 169,869,096,175,339,136/384,912,075.80 - Step 6: Final answer
x = 441,319,217.70
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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.