Finding the Fourth Proportional to 727,823,266.50, 1,090,623,983.02 and 432,136,117.98
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Solution
The fourth proportional to 727,823,266.50, 1,090,623,983.02 and 432,136,117.98 is: 647,544,583.82
Step by Step Solution
- Step 1: Write the proportion equation
727,823,266.50 : 1,090,623,983.02 = 432,136,117.98 : x - Step 2: Convert to fraction form
727,823,266.50/1,090,623,983.02 = 432,136,117.98/x - Step 3: Cross multiply
727,823,266.50x = 1,090,623,983.02 × 432,136,117.98 - Step 4: Simplify right side
727,823,266.50x = 471,298,014,198,148,224 - Step 5: Solve for x
x = 471,298,014,198,148,224/727,823,266.50 - Step 6: Final answer
x = 647,544,583.82
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1.5x scale
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.