Finding the Fourth Proportional to 2,219,207,335.13, 3,328,394,830.25 and 1,113,515,313.14
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Solution
The fourth proportional to 2,219,207,335.13, 3,328,394,830.25 and 1,113,515,313.14 is: 1,670,064,149.93
Step by Step Solution
- Step 1: Write the proportion equation
2,219,207,335.13 : 3,328,394,830.25 = 1,113,515,313.14 : x - Step 2: Convert to fraction form
2,219,207,335.13/3,328,394,830.25 = 1,113,515,313.14/x - Step 3: Cross multiply
2,219,207,335.13x = 3,328,394,830.25 × 1,113,515,313.14 - Step 4: Simplify right side
2,219,207,335.13x = 3,706,218,611,652,964,864 - Step 5: Solve for x
x = 3,706,218,611,652,964,864/2,219,207,335.13 - Step 6: Final answer
x = 1,670,064,149.93
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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.