Finding the Fourth Proportional to 472,437,601.40, 708,656,402.10 and 374,865,033.80
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Solution
The fourth proportional to 472,437,601.40, 708,656,402.10 and 374,865,033.80 is: 562,297,550.70
Step by Step Solution
- Step 1: Write the proportion equation
472,437,601.40 : 708,656,402.10 = 374,865,033.80 : x - Step 2: Convert to fraction form
472,437,601.40/708,656,402.10 = 374,865,033.80/x - Step 3: Cross multiply
472,437,601.40x = 708,656,402.10 × 374,865,033.80 - Step 4: Simplify right side
472,437,601.40x = 265,650,506,125,802,912 - Step 5: Solve for x
x = 265,650,506,125,802,912/472,437,601.40 - Step 6: Final answer
x = 562,297,550.70
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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.