Finding the Fourth Proportional to 1,519,317,639.75, 2,281,584,508.65 and 932,553,418.68
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Solution
The fourth proportional to 1,519,317,639.75, 2,281,584,508.65 and 932,553,418.68 is: 1,400,430,942.08
Step by Step Solution
- Step 1: Write the proportion equation
1,519,317,639.75 : 2,281,584,508.65 = 932,553,418.68 : x - Step 2: Convert to fraction form
1,519,317,639.75/2,281,584,508.65 = 932,553,418.68/x - Step 3: Cross multiply
1,519,317,639.75x = 2,281,584,508.65 × 932,553,418.68 - Step 4: Simplify right side
1,519,317,639.75x = 2,127,699,433,548,885,504 - Step 5: Solve for x
x = 2,127,699,433,548,885,504/1,519,317,639.75 - Step 6: Final answer
x = 1,400,430,942.08
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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.