Finding the Fourth Proportional to 614,177,591.40, 921,266,387.10 and 177,492,521.70
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Solution
The fourth proportional to 614,177,591.40, 921,266,387.10 and 177,492,521.70 is: 266,238,782.55
Step by Step Solution
- Step 1: Write the proportion equation
614,177,591.40 : 921,266,387.10 = 177,492,521.70 : x - Step 2: Convert to fraction form
614,177,591.40/921,266,387.10 = 177,492,521.70/x - Step 3: Cross multiply
614,177,591.40x = 921,266,387.10 × 177,492,521.70 - Step 4: Simplify right side
614,177,591.40x = 163,517,894,203,827,328 - Step 5: Solve for x
x = 163,517,894,203,827,328/614,177,591.40 - Step 6: Final answer
x = 266,238,782.55
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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.