Finding the Fourth Proportional to 948,994,702.40, 1,424,342,359.20 and 819,748,251.20
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Solution
The fourth proportional to 948,994,702.40, 1,424,342,359.20 and 819,748,251.20 is: 1,230,356,876.72
Step by Step Solution
- Step 1: Write the proportion equation
948,994,702.40 : 1,424,342,359.20 = 819,748,251.20 : x - Step 2: Convert to fraction form
948,994,702.40/1,424,342,359.20 = 819,748,251.20/x - Step 3: Cross multiply
948,994,702.40x = 1,424,342,359.20 × 819,748,251.20 - Step 4: Simplify right side
948,994,702.40x = 1,167,602,158,064,282,368 - Step 5: Solve for x
x = 1,167,602,158,064,282,368/948,994,702.40 - Step 6: Final answer
x = 1,230,356,876.72
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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.