Finding the Fourth Proportional to 374,065,466,638.74, 516,214,407,007.65 and 219,747,650,346.96
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Solution
The fourth proportional to 374,065,466,638.74, 516,214,407,007.65 and 219,747,650,346.96 is: 303,254,144,346.70
Step by Step Solution
- Step 1: Write the proportion equation
374,065,466,638.74 : 516,214,407,007.65 = 219,747,650,346.96 : x - Step 2: Convert to fraction form
374,065,466,638.74/516,214,407,007.65 = 219,747,650,346.96/x - Step 3: Cross multiply
374,065,466,638.74x = 516,214,407,007.65 × 219,747,650,346.96 - Step 4: Simplify right side
374,065,466,638.74x = 113,436,903,015,180,375,425,024 - Step 5: Solve for x
x = 113,436,903,015,180,375,425,024/374,065,466,638.74 - Step 6: Final answer
x = 303,254,144,346.70
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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.