Finding the Fourth Proportional to 524,686,809.60, 787,366,137.60 and 306,336,729.60
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Solution
The fourth proportional to 524,686,809.60, 787,366,137.60 and 306,336,729.60 is: 459,701,222.09
Step by Step Solution
- Step 1: Write the proportion equation
524,686,809.60 : 787,366,137.60 = 306,336,729.60 : x - Step 2: Convert to fraction form
524,686,809.60/787,366,137.60 = 306,336,729.60/x - Step 3: Cross multiply
524,686,809.60x = 787,366,137.60 × 306,336,729.60 - Step 4: Simplify right side
524,686,809.60x = 241,199,167,590,167,616 - Step 5: Solve for x
x = 241,199,167,590,167,616/524,686,809.60 - Step 6: Final answer
x = 459,701,222.09
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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.