Finding the Fourth Proportional to 330,370,702.42, 495,774,373.48 and 155,543,733.53
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Solution
The fourth proportional to 330,370,702.42, 495,774,373.48 and 155,543,733.53 is: 233,418,388.72
Step by Step Solution
- Step 1: Write the proportion equation
330,370,702.42 : 495,774,373.48 = 155,543,733.53 : x - Step 2: Convert to fraction form
330,370,702.42/495,774,373.48 = 155,543,733.53/x - Step 3: Cross multiply
330,370,702.42x = 495,774,373.48 × 155,543,733.53 - Step 4: Simplify right side
330,370,702.42x = 77,114,597,039,575,824 - Step 5: Solve for x
x = 77,114,597,039,575,824/330,370,702.42 - Step 6: Final answer
x = 233,418,388.72
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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.