Finding the Fourth Proportional to 576,253,810.70, 863,851,062.80 and 207,698,564.06
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Solution
The fourth proportional to 576,253,810.70, 863,851,062.80 and 207,698,564.06 is: 311,356,943.72
Step by Step Solution
- Step 1: Write the proportion equation
576,253,810.70 : 863,851,062.80 = 207,698,564.06 : x - Step 2: Convert to fraction form
576,253,810.70/863,851,062.80 = 207,698,564.06/x - Step 3: Cross multiply
576,253,810.70x = 863,851,062.80 × 207,698,564.06 - Step 4: Simplify right side
576,253,810.70x = 179,420,625,305,264,864 - Step 5: Solve for x
x = 179,420,625,305,264,864/576,253,810.70 - Step 6: Final answer
x = 311,356,943.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.