Finding the Fourth Proportional to 2,320,391,101.21, 3,202,140,065.12 and 1,263,127,099.66
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Solution
The fourth proportional to 2,320,391,101.21, 3,202,140,065.12 and 1,263,127,099.66 is: 1,743,115,585.58
Step by Step Solution
- Step 1: Write the proportion equation
2,320,391,101.21 : 3,202,140,065.12 = 1,263,127,099.66 : x - Step 2: Convert to fraction form
2,320,391,101.21/3,202,140,065.12 = 1,263,127,099.66/x - Step 3: Cross multiply
2,320,391,101.21x = 3,202,140,065.12 × 1,263,127,099.66 - Step 4: Simplify right side
2,320,391,101.21x = 4,044,709,893,153,793,536 - Step 5: Solve for x
x = 4,044,709,893,153,793,536/2,320,391,101.21 - Step 6: Final answer
x = 1,743,115,585.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.