Finding the Fourth Proportional to 1,243,948,273.08, 1,866,184,467.36 and 403,525,394.42
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Solution
The fourth proportional to 1,243,948,273.08, 1,866,184,467.36 and 403,525,394.42 is: 605,373,100.74
Step by Step Solution
- Step 1: Write the proportion equation
1,243,948,273.08 : 1,866,184,467.36 = 403,525,394.42 : x - Step 2: Convert to fraction form
1,243,948,273.08/1,866,184,467.36 = 403,525,394.42/x - Step 3: Cross multiply
1,243,948,273.08x = 1,866,184,467.36 × 403,525,394.42 - Step 4: Simplify right side
1,243,948,273.08x = 753,052,823,241,057,280 - Step 5: Solve for x
x = 753,052,823,241,057,280/1,243,948,273.08 - Step 6: Final answer
x = 605,373,100.74
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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.