Finding the Fourth Proportional to 1,047,243,997.99, 1,570,393,272.84 and 300,088,874.08
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Solution
The fourth proportional to 1,047,243,997.99, 1,570,393,272.84 and 300,088,874.08 is: 449,997,851.52
Step by Step Solution
- Step 1: Write the proportion equation
1,047,243,997.99 : 1,570,393,272.84 = 300,088,874.08 : x - Step 2: Convert to fraction form
1,047,243,997.99/1,570,393,272.84 = 300,088,874.08/x - Step 3: Cross multiply
1,047,243,997.99x = 1,570,393,272.84 × 300,088,874.08 - Step 4: Simplify right side
1,047,243,997.99x = 471,257,549,109,361,792 - Step 5: Solve for x
x = 471,257,549,109,361,792/1,047,243,997.99 - Step 6: Final answer
x = 449,997,851.52
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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.