Finding the Fourth Proportional to 3,109,119,675.12, 4,664,496,306.96 and 1,117,362,831.66
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Solution
The fourth proportional to 3,109,119,675.12, 4,664,496,306.96 and 1,117,362,831.66 is: 1,676,337,788.96
Step by Step Solution
- Step 1: Write the proportion equation
3,109,119,675.12 : 4,664,496,306.96 = 1,117,362,831.66 : x - Step 2: Convert to fraction form
3,109,119,675.12/4,664,496,306.96 = 1,117,362,831.66/x - Step 3: Cross multiply
3,109,119,675.12x = 4,664,496,306.96 × 1,117,362,831.66 - Step 4: Simplify right side
3,109,119,675.12x = 5,211,934,801,812,439,040 - Step 5: Solve for x
x = 5,211,934,801,812,439,040/3,109,119,675.12 - Step 6: Final answer
x = 1,676,337,788.96
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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.