Finding the Fourth Proportional to 1,047,243,996.99, 1,570,393,271.34 and 300,088,873.08
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Solution
The fourth proportional to 1,047,243,996.99, 1,570,393,271.34 and 300,088,873.08 is: 449,997,850.02
Step by Step Solution
- Step 1: Write the proportion equation
1,047,243,996.99 : 1,570,393,271.34 = 300,088,873.08 : x - Step 2: Convert to fraction form
1,047,243,996.99/1,570,393,271.34 = 300,088,873.08/x - Step 3: Cross multiply
1,047,243,996.99x = 1,570,393,271.34 × 300,088,873.08 - Step 4: Simplify right side
1,047,243,996.99x = 471,257,547,088,835,200 - Step 5: Solve for x
x = 471,257,547,088,835,200/1,047,243,996.99 - Step 6: Final answer
x = 449,997,850.02
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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.