Finding the Fourth Proportional to 366,913,702.60, 550,370,553.90 and 338,853,617.80
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Solution
The fourth proportional to 366,913,702.60, 550,370,553.90 and 338,853,617.80 is: 508,280,426.70
Step by Step Solution
- Step 1: Write the proportion equation
366,913,702.60 : 550,370,553.90 = 338,853,617.80 : x - Step 2: Convert to fraction form
366,913,702.60/550,370,553.90 = 338,853,617.80/x - Step 3: Cross multiply
366,913,702.60x = 550,370,553.90 × 338,853,617.80 - Step 4: Simplify right side
366,913,702.60x = 186,495,053,319,604,896 - Step 5: Solve for x
x = 186,495,053,319,604,896/366,913,702.60 - Step 6: Final answer
x = 508,280,426.70
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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.