Finding the Fourth Proportional to 518,126,847.99, 777,539,968.88 and 202,953,783.36
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Solution
The fourth proportional to 518,126,847.99, 777,539,968.88 and 202,953,783.36 is: 304,567,653.67
Step by Step Solution
- Step 1: Write the proportion equation
518,126,847.99 : 777,539,968.88 = 202,953,783.36 : x - Step 2: Convert to fraction form
518,126,847.99/777,539,968.88 = 202,953,783.36/x - Step 3: Cross multiply
518,126,847.99x = 777,539,968.88 × 202,953,783.36 - Step 4: Simplify right side
518,126,847.99x = 157,804,678,397,812,672 - Step 5: Solve for x
x = 157,804,678,397,812,672/518,126,847.99 - Step 6: Final answer
x = 304,567,653.67
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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.