Finding the Fourth Proportional to 1,041,018,869.26, 1,561,531,953.81 and 264,664,613.62
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Solution
The fourth proportional to 1,041,018,869.26, 1,561,531,953.81 and 264,664,613.62 is: 396,997,848.37
Step by Step Solution
- Step 1: Write the proportion equation
1,041,018,869.26 : 1,561,531,953.81 = 264,664,613.62 : x - Step 2: Convert to fraction form
1,041,018,869.26/1,561,531,953.81 = 264,664,613.62/x - Step 3: Cross multiply
1,041,018,869.26x = 1,561,531,953.81 × 264,664,613.62 - Step 4: Simplify right side
1,041,018,869.26x = 413,282,251,210,407,360 - Step 5: Solve for x
x = 413,282,251,210,407,360/1,041,018,869.26 - Step 6: Final answer
x = 396,997,848.37
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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.