Finding the Fourth Proportional to 1,341,291,231.88, 1,850,981,988.99 and 746,562,953.05
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Solution
The fourth proportional to 1,341,291,231.88, 1,850,981,988.99 and 746,562,953.05 is: 1,030,256,924.74
Step by Step Solution
- Step 1: Write the proportion equation
1,341,291,231.88 : 1,850,981,988.99 = 746,562,953.05 : x - Step 2: Convert to fraction form
1,341,291,231.88/1,850,981,988.99 = 746,562,953.05/x - Step 3: Cross multiply
1,341,291,231.88x = 1,850,981,988.99 × 746,562,953.05 - Step 4: Simplify right side
1,341,291,231.88x = 1,381,874,579,742,736,896 - Step 5: Solve for x
x = 1,381,874,579,742,736,896/1,341,291,231.88 - Step 6: Final answer
x = 1,030,256,924.74
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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.