Finding the Fourth Proportional to 1,493,833,068.26, 2,240,758,134.50 and 620,434,437.02
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Solution
The fourth proportional to 1,493,833,068.26, 2,240,758,134.50 and 620,434,437.02 is: 930,655,199.18
Step by Step Solution
- Step 1: Write the proportion equation
1,493,833,068.26 : 2,240,758,134.50 = 620,434,437.02 : x - Step 2: Convert to fraction form
1,493,833,068.26/2,240,758,134.50 = 620,434,437.02/x - Step 3: Cross multiply
1,493,833,068.26x = 2,240,758,134.50 × 620,434,437.02 - Step 4: Simplify right side
1,493,833,068.26x = 1,390,243,511,676,492,800 - Step 5: Solve for x
x = 1,390,243,511,676,492,800/1,493,833,068.26 - Step 6: Final answer
x = 930,655,199.18
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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.