Finding the Fourth Proportional to 310,453,549.02, 465,680,323.89 and 126,177,851.21
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Solution
The fourth proportional to 310,453,549.02, 465,680,323.89 and 126,177,851.21 is: 189,266,776.95
Step by Step Solution
- Step 1: Write the proportion equation
310,453,549.02 : 465,680,323.89 = 126,177,851.21 : x - Step 2: Convert to fraction form
310,453,549.02/465,680,323.89 = 126,177,851.21/x - Step 3: Cross multiply
310,453,549.02x = 465,680,323.89 × 126,177,851.21 - Step 4: Simplify right side
310,453,549.02x = 58,758,542,616,888,624 - Step 5: Solve for x
x = 58,758,542,616,888,624/310,453,549.02 - Step 6: Final answer
x = 189,266,776.95
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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.