Finding the Fourth Proportional to 434,688,121.20, 652,032,181.80 and 434,688,121.20
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Solution
The fourth proportional to 434,688,121.20, 652,032,181.80 and 434,688,121.20 is: 652,032,181.80
Step by Step Solution
- Step 1: Write the proportion equation
434,688,121.20 : 652,032,181.80 = 434,688,121.20 : x - Step 2: Convert to fraction form
434,688,121.20/652,032,181.80 = 434,688,121.20/x - Step 3: Cross multiply
434,688,121.20x = 652,032,181.80 × 434,688,121.20 - Step 4: Simplify right side
434,688,121.20x = 283,430,644,068,578,816 - Step 5: Solve for x
x = 283,430,644,068,578,816/434,688,121.20 - Step 6: Final answer
x = 652,032,181.80
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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.