Finding the Fourth Proportional to 340,859,563.70, 511,289,345.55 and 340,859,563.70
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Solution
The fourth proportional to 340,859,563.70, 511,289,345.55 and 340,859,563.70 is: 511,289,345.55
Step by Step Solution
- Step 1: Write the proportion equation
340,859,563.70 : 511,289,345.55 = 340,859,563.70 : x - Step 2: Convert to fraction form
340,859,563.70/511,289,345.55 = 340,859,563.70/x - Step 3: Cross multiply
340,859,563.70x = 511,289,345.55 × 340,859,563.70 - Step 4: Simplify right side
340,859,563.70x = 174,277,863,248,631,520 - Step 5: Solve for x
x = 174,277,863,248,631,520/340,859,563.70 - Step 6: Final answer
x = 511,289,345.55
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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.