Finding the Fourth Proportional to 343,259,319.70, 514,888,979.55 and 343,259,319.70
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Solution
The fourth proportional to 343,259,319.70, 514,888,979.55 and 343,259,319.70 is: 514,888,979.55
Step by Step Solution
- Step 1: Write the proportion equation
343,259,319.70 : 514,888,979.55 = 343,259,319.70 : x - Step 2: Convert to fraction form
343,259,319.70/514,888,979.55 = 343,259,319.70/x - Step 3: Cross multiply
343,259,319.70x = 514,888,979.55 × 343,259,319.70 - Step 4: Simplify right side
343,259,319.70x = 176,740,440,841,360,224 - Step 5: Solve for x
x = 176,740,440,841,360,224/343,259,319.70 - Step 6: Final answer
x = 514,888,979.55
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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.