Finding the Fourth Proportional to 706,857,237.79, 1,059,931,119.82 and 411,847,695.68
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Solution
The fourth proportional to 706,857,237.79, 1,059,931,119.82 and 411,847,695.68 is: 617,564,857.42
Step by Step Solution
- Step 1: Write the proportion equation
706,857,237.79 : 1,059,931,119.82 = 411,847,695.68 : x - Step 2: Convert to fraction form
706,857,237.79/1,059,931,119.82 = 411,847,695.68/x - Step 3: Cross multiply
706,857,237.79x = 1,059,931,119.82 × 411,847,695.68 - Step 4: Simplify right side
706,857,237.79x = 436,530,189,274,233,408 - Step 5: Solve for x
x = 436,530,189,274,233,408/706,857,237.79 - Step 6: Final answer
x = 617,564,857.42
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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.