Finding the Fourth Proportional to 588,639,622,692.40, 812,473,819,919.80 and 383,385,337,240.68
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Solution
The fourth proportional to 588,639,622,692.40, 812,473,819,919.80 and 383,385,337,240.68 is: 529,170,204,384.88
Step by Step Solution
- Step 1: Write the proportion equation
588,639,622,692.40 : 812,473,819,919.80 = 383,385,337,240.68 : x - Step 2: Convert to fraction form
588,639,622,692.40/812,473,819,919.80 = 383,385,337,240.68/x - Step 3: Cross multiply
588,639,622,692.40x = 812,473,819,919.80 × 383,385,337,240.68 - Step 4: Simplify right side
588,639,622,692.40x = 311,490,549,449,176,077,303,808 - Step 5: Solve for x
x = 311,490,549,449,176,077,303,808/588,639,622,692.40 - Step 6: Final answer
x = 529,170,204,384.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.