Finding the Fourth Proportional to 9,518,293,348.11, 13,135,363,846.57 and 5,231,974,646.08
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Solution
The fourth proportional to 9,518,293,348.11, 13,135,363,846.57 and 5,231,974,646.08 is: 7,220,190,437.39
Step by Step Solution
- Step 1: Write the proportion equation
9,518,293,348.11 : 13,135,363,846.57 = 5,231,974,646.08 : x - Step 2: Convert to fraction form
9,518,293,348.11/13,135,363,846.57 = 5,231,974,646.08/x - Step 3: Cross multiply
9,518,293,348.11x = 13,135,363,846.57 × 5,231,974,646.08 - Step 4: Simplify right side
9,518,293,348.11x = 68,723,890,612,321,558,528 - Step 5: Solve for x
x = 68,723,890,612,321,558,528/9,518,293,348.11 - Step 6: Final answer
x = 7,220,190,437.39
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1.5x scale
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.