Finding the Fourth Proportional to 645,408,037.80, 968,112,056.70 and 160,733,845.80
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Solution
The fourth proportional to 645,408,037.80, 968,112,056.70 and 160,733,845.80 is: 241,100,768.70
Step by Step Solution
- Step 1: Write the proportion equation
645,408,037.80 : 968,112,056.70 = 160,733,845.80 : x - Step 2: Convert to fraction form
645,408,037.80/968,112,056.70 = 160,733,845.80/x - Step 3: Cross multiply
645,408,037.80x = 968,112,056.70 × 160,733,845.80 - Step 4: Simplify right side
645,408,037.80x = 155,608,374,038,738,688 - Step 5: Solve for x
x = 155,608,374,038,738,688/645,408,037.80 - Step 6: Final answer
x = 241,100,768.70
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Similar ratio
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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.