Finding the Fourth Proportional to 302,174,220.60, 453,261,330.90 and 210,341,215.80
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Solution
The fourth proportional to 302,174,220.60, 453,261,330.90 and 210,341,215.80 is: 315,511,823.70
Step by Step Solution
- Step 1: Write the proportion equation
302,174,220.60 : 453,261,330.90 = 210,341,215.80 : x - Step 2: Convert to fraction form
302,174,220.60/453,261,330.90 = 210,341,215.80/x - Step 3: Cross multiply
302,174,220.60x = 453,261,330.90 × 210,341,215.80 - Step 4: Simplify right side
302,174,220.60x = 95,339,539,416,632,112 - Step 5: Solve for x
x = 95,339,539,416,632,112/302,174,220.60 - Step 6: Final answer
x = 315,511,823.70
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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.