Finding the Fourth Proportional to 1,592,940,115.96, 2,198,249,507.82 and 924,020,446.84
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Solution
The fourth proportional to 1,592,940,115.96, 2,198,249,507.82 and 924,020,446.84 is: 1,275,143,661.79
Step by Step Solution
- Step 1: Write the proportion equation
1,592,940,115.96 : 2,198,249,507.82 = 924,020,446.84 : x - Step 2: Convert to fraction form
1,592,940,115.96/2,198,249,507.82 = 924,020,446.84/x - Step 3: Cross multiply
1,592,940,115.96x = 2,198,249,507.82 × 924,020,446.84 - Step 4: Simplify right side
1,592,940,115.96x = 2,031,227,492,481,646,592 - Step 5: Solve for x
x = 2,031,227,492,481,646,592/1,592,940,115.96 - Step 6: Final answer
x = 1,275,143,661.79
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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.