Finding the Fourth Proportional to 1,658,790,742.70, 2,488,186,114.05 and 1,007,881,805.90
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Solution
The fourth proportional to 1,658,790,742.70, 2,488,186,114.05 and 1,007,881,805.90 is: 1,511,822,708.85
Step by Step Solution
- Step 1: Write the proportion equation
1,658,790,742.70 : 2,488,186,114.05 = 1,007,881,805.90 : x - Step 2: Convert to fraction form
1,658,790,742.70/2,488,186,114.05 = 1,007,881,805.90/x - Step 3: Cross multiply
1,658,790,742.70x = 2,488,186,114.05 × 1,007,881,805.90 - Step 4: Simplify right side
1,658,790,742.70x = 2,507,797,514,044,017,664 - Step 5: Solve for x
x = 2,507,797,514,044,017,664/1,658,790,742.70 - Step 6: Final answer
x = 1,511,822,708.85
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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.