Finding the Fourth Proportional to 343,911,292.38, 515,946,632.99 and 98,271,126.54
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Solution
The fourth proportional to 343,911,292.38, 515,946,632.99 and 98,271,126.54 is: 147,429,462.14
Step by Step Solution
- Step 1: Write the proportion equation
343,911,292.38 : 515,946,632.99 = 98,271,126.54 : x - Step 2: Convert to fraction form
343,911,292.38/515,946,632.99 = 98,271,126.54/x - Step 3: Cross multiply
343,911,292.38x = 515,946,632.99 × 98,271,126.54 - Step 4: Simplify right side
343,911,292.38x = 50,702,656,857,955,880 - Step 5: Solve for x
x = 50,702,656,857,955,880/343,911,292.38 - Step 6: Final answer
x = 147,429,462.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.