Finding the Fourth Proportional to 984,152,367.20, 1,476,441,127.20 and 294,129,372.80
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Solution
The fourth proportional to 984,152,367.20, 1,476,441,127.20 and 294,129,372.80 is: 441,257,590.99
Step by Step Solution
- Step 1: Write the proportion equation
984,152,367.20 : 1,476,441,127.20 = 294,129,372.80 : x - Step 2: Convert to fraction form
984,152,367.20/1,476,441,127.20 = 294,129,372.80/x - Step 3: Cross multiply
984,152,367.20x = 1,476,441,127.20 × 294,129,372.80 - Step 4: Simplify right side
984,152,367.20x = 434,264,702,719,461,056 - Step 5: Solve for x
x = 434,264,702,719,461,056/984,152,367.20 - Step 6: Final answer
x = 441,257,590.99
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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.