Finding the Fourth Proportional to 6,515,930,428.80, 9,773,895,643.20 and 2,375,509,027.20
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Solution
The fourth proportional to 6,515,930,428.80, 9,773,895,643.20 and 2,375,509,027.20 is: 3,563,263,540.80
Step by Step Solution
- Step 1: Write the proportion equation
6,515,930,428.80 : 9,773,895,643.20 = 2,375,509,027.20 : x - Step 2: Convert to fraction form
6,515,930,428.80/9,773,895,643.20 = 2,375,509,027.20/x - Step 3: Cross multiply
6,515,930,428.80x = 9,773,895,643.20 × 2,375,509,027.20 - Step 4: Simplify right side
6,515,930,428.80x = 23,217,977,331,332,349,952 - Step 5: Solve for x
x = 23,217,977,331,332,349,952/6,515,930,428.80 - Step 6: Final answer
x = 3,563,263,540.80
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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.