Finding the Fourth Proportional to 379,475,077,651.80, 569,192,569,159.50 and 124,470,871,110.85
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Solution
The fourth proportional to 379,475,077,651.80, 569,192,569,159.50 and 124,470,871,110.85 is: 186,699,730,985.01
Step by Step Solution
- Step 1: Write the proportion equation
379,475,077,651.80 : 569,192,569,159.50 = 124,470,871,110.85 : x - Step 2: Convert to fraction form
379,475,077,651.80/569,192,569,159.50 = 124,470,871,110.85/x - Step 3: Cross multiply
379,475,077,651.80x = 569,192,569,159.50 × 124,470,871,110.85 - Step 4: Simplify right side
379,475,077,651.80x = 70,847,894,913,105,705,041,920 - Step 5: Solve for x
x = 70,847,894,913,105,705,041,920/379,475,077,651.80 - Step 6: Final answer
x = 186,699,730,985.01
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1.5x scale
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.