Finding the Fourth Proportional to 377,013,918.23, 565,520,877.35 and 349,804,139.03
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Solution
The fourth proportional to 377,013,918.23, 565,520,877.35 and 349,804,139.03 is: 524,706,208.55
Step by Step Solution
- Step 1: Write the proportion equation
377,013,918.23 : 565,520,877.35 = 349,804,139.03 : x - Step 2: Convert to fraction form
377,013,918.23/565,520,877.35 = 349,804,139.03/x - Step 3: Cross multiply
377,013,918.23x = 565,520,877.35 × 349,804,139.03 - Step 4: Simplify right side
377,013,918.23x = 197,821,543,604,906,976 - Step 5: Solve for x
x = 197,821,543,604,906,976/377,013,918.23 - Step 6: Final answer
x = 524,706,208.55
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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.