Finding the Fourth Proportional to 506,439,211.87, 760,528,167.48 and 310,851,138.18
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Solution
The fourth proportional to 506,439,211.87, 760,528,167.48 and 310,851,138.18 is: 466,810,311.95
Step by Step Solution
- Step 1: Write the proportion equation
506,439,211.87 : 760,528,167.48 = 310,851,138.18 : x - Step 2: Convert to fraction form
506,439,211.87/760,528,167.48 = 310,851,138.18/x - Step 3: Cross multiply
506,439,211.87x = 760,528,167.48 × 310,851,138.18 - Step 4: Simplify right side
506,439,211.87x = 236,411,046,480,676,000 - Step 5: Solve for x
x = 236,411,046,480,676,000/506,439,211.87 - Step 6: Final answer
x = 466,810,311.95
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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.