Finding the Fourth Proportional to 2,674,416,000.40, 4,011,624,000.60 and 834,165,725.20
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Solution
The fourth proportional to 2,674,416,000.40, 4,011,624,000.60 and 834,165,725.20 is: 1,251,248,587.80
Step by Step Solution
- Step 1: Write the proportion equation
2,674,416,000.40 : 4,011,624,000.60 = 834,165,725.20 : x - Step 2: Convert to fraction form
2,674,416,000.40/4,011,624,000.60 = 834,165,725.20/x - Step 3: Cross multiply
2,674,416,000.40x = 4,011,624,000.60 × 834,165,725.20 - Step 4: Simplify right side
2,674,416,000.40x = 3,346,359,243,690,224,128 - Step 5: Solve for x
x = 3,346,359,243,690,224,128/2,674,416,000.40 - Step 6: Final answer
x = 1,251,248,587.80
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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.