Finding the Fourth Proportional to 297,466,805.98, 410,071,545.30 and 207,880,609.42
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Solution
The fourth proportional to 297,466,805.98, 410,071,545.30 and 207,880,609.42 is: 286,572,891.59
Step by Step Solution
- Step 1: Write the proportion equation
297,466,805.98 : 410,071,545.30 = 207,880,609.42 : x - Step 2: Convert to fraction form
297,466,805.98/410,071,545.30 = 207,880,609.42/x - Step 3: Cross multiply
297,466,805.98x = 410,071,545.30 × 207,880,609.42 - Step 4: Simplify right side
297,466,805.98x = 85,245,922,742,765,136 - Step 5: Solve for x
x = 85,245,922,742,765,136/297,466,805.98 - Step 6: Final answer
x = 286,572,891.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.