Finding the Fourth Proportional to 1,384,125,416.93, 2,076,193,511.83 and 334,861,937.07
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Solution
The fourth proportional to 1,384,125,416.93, 2,076,193,511.83 and 334,861,937.07 is: 502,294,208.75
Step by Step Solution
- Step 1: Write the proportion equation
1,384,125,416.93 : 2,076,193,511.83 = 334,861,937.07 : x - Step 2: Convert to fraction form
1,384,125,416.93/2,076,193,511.83 = 334,861,937.07/x - Step 3: Cross multiply
1,384,125,416.93x = 2,076,193,511.83 × 334,861,937.07 - Step 4: Simplify right side
1,384,125,416.93x = 695,238,181,102,722,688 - Step 5: Solve for x
x = 695,238,181,102,722,688/1,384,125,416.93 - Step 6: Final answer
x = 502,294,208.75
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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.