Finding the Fourth Proportional to 360,876,263.16, 498,014,020.70 and 195,865,810.68
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Solution
The fourth proportional to 360,876,263.16, 498,014,020.70 and 195,865,810.68 is: 270,297,411.75
Step by Step Solution
- Step 1: Write the proportion equation
360,876,263.16 : 498,014,020.70 = 195,865,810.68 : x - Step 2: Convert to fraction form
360,876,263.16/498,014,020.70 = 195,865,810.68/x - Step 3: Cross multiply
360,876,263.16x = 498,014,020.70 × 195,865,810.68 - Step 4: Simplify right side
360,876,263.16x = 97,543,919,894,411,808 - Step 5: Solve for x
x = 97,543,919,894,411,808/360,876,263.16 - Step 6: Final answer
x = 270,297,411.75
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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.