Finding the Fourth Proportional to 9,518,293,350.24, 13,135,363,849.50 and 5,231,974,648.21
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Solution
The fourth proportional to 9,518,293,350.24, 13,135,363,849.50 and 5,231,974,648.21 is: 7,220,190,440.32
Step by Step Solution
- Step 1: Write the proportion equation
9,518,293,350.24 : 13,135,363,849.50 = 5,231,974,648.21 : x - Step 2: Convert to fraction form
9,518,293,350.24/13,135,363,849.50 = 5,231,974,648.21/x - Step 3: Cross multiply
9,518,293,350.24x = 13,135,363,849.50 × 5,231,974,648.21 - Step 4: Simplify right side
9,518,293,350.24x = 68,723,890,655,598,116,864 - Step 5: Solve for x
x = 68,723,890,655,598,116,864/9,518,293,350.24 - Step 6: Final answer
x = 7,220,190,440.32
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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.