Finding the Fourth Proportional to 315,577,819.60, 473,366,729.40 and 303,484,584.40
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Solution
The fourth proportional to 315,577,819.60, 473,366,729.40 and 303,484,584.40 is: 455,226,876.60
Step by Step Solution
- Step 1: Write the proportion equation
315,577,819.60 : 473,366,729.40 = 303,484,584.40 : x - Step 2: Convert to fraction form
315,577,819.60/473,366,729.40 = 303,484,584.40/x - Step 3: Cross multiply
315,577,819.60x = 473,366,729.40 × 303,484,584.40 - Step 4: Simplify right side
315,577,819.60x = 143,659,505,140,746,240 - Step 5: Solve for x
x = 143,659,505,140,746,240/315,577,819.60 - Step 6: Final answer
x = 455,226,876.60
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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.