Finding the Fourth Proportional to 929,216,589.62, 1,393,871,199.44 and 265,329,074.78
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Solution
The fourth proportional to 929,216,589.62, 1,393,871,199.44 and 265,329,074.78 is: 398,006,836.99
Step by Step Solution
- Step 1: Write the proportion equation
929,216,589.62 : 1,393,871,199.44 = 265,329,074.78 : x - Step 2: Convert to fraction form
929,216,589.62/1,393,871,199.44 = 265,329,074.78/x - Step 3: Cross multiply
929,216,589.62x = 1,393,871,199.44 × 265,329,074.78 - Step 4: Simplify right side
929,216,589.62x = 369,834,555,709,904,064 - Step 5: Solve for x
x = 369,834,555,709,904,064/929,216,589.62 - Step 6: Final answer
x = 398,006,836.99
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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.