Finding the Fourth Proportional to 465,479,599.66, 698,389,652.76 and 216,603,552.94
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Solution
The fourth proportional to 465,479,599.66, 698,389,652.76 and 216,603,552.94 is: 324,984,554.07
Step by Step Solution
- Step 1: Write the proportion equation
465,479,599.66 : 698,389,652.76 = 216,603,552.94 : x - Step 2: Convert to fraction form
465,479,599.66/698,389,652.76 = 216,603,552.94/x - Step 3: Cross multiply
465,479,599.66x = 698,389,652.76 × 216,603,552.94 - Step 4: Simplify right side
465,479,599.66x = 151,273,680,124,348,864 - Step 5: Solve for x
x = 151,273,680,124,348,864/465,479,599.66 - Step 6: Final answer
x = 324,984,554.07
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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.