Finding the Fourth Proportional to 3,818,548,840.02, 5,269,559,326.38 and 2,124,974,476.53
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Solution
The fourth proportional to 3,818,548,840.02, 5,269,559,326.38 and 2,124,974,476.53 is: 2,932,443,590.55
Step by Step Solution
- Step 1: Write the proportion equation
3,818,548,840.02 : 5,269,559,326.38 = 2,124,974,476.53 : x - Step 2: Convert to fraction form
3,818,548,840.02/5,269,559,326.38 = 2,124,974,476.53/x - Step 3: Cross multiply
3,818,548,840.02x = 5,269,559,326.38 × 2,124,974,476.53 - Step 4: Simplify right side
3,818,548,840.02x = 11,197,679,071,118,120,960 - Step 5: Solve for x
x = 11,197,679,071,118,120,960/3,818,548,840.02 - Step 6: Final answer
x = 2,932,443,590.55
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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.