Finding the Fourth Proportional to 1,430,063,218.84, 2,145,135,083.04 and 394,924,107.64
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Solution
The fourth proportional to 1,430,063,218.84, 2,145,135,083.04 and 394,924,107.64 is: 592,397,278.16
Step by Step Solution
- Step 1: Write the proportion equation
1,430,063,218.84 : 2,145,135,083.04 = 394,924,107.64 : x - Step 2: Convert to fraction form
1,430,063,218.84/2,145,135,083.04 = 394,924,107.64/x - Step 3: Cross multiply
1,430,063,218.84x = 2,145,135,083.04 × 394,924,107.64 - Step 4: Simplify right side
1,430,063,218.84x = 847,165,558,436,829,312 - Step 5: Solve for x
x = 847,165,558,436,829,312/1,430,063,218.84 - Step 6: Final answer
x = 592,397,278.16
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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.