Finding the Fourth Proportional to 1,015,977,452.07, 1,401,734,670.39 and 592,291,211.07
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Solution
The fourth proportional to 1,015,977,452.07, 1,401,734,670.39 and 592,291,211.07 is: 817,178,692.14
Step by Step Solution
- Step 1: Write the proportion equation
1,015,977,452.07 : 1,401,734,670.39 = 592,291,211.07 : x - Step 2: Convert to fraction form
1,015,977,452.07/1,401,734,670.39 = 592,291,211.07/x - Step 3: Cross multiply
1,015,977,452.07x = 1,401,734,670.39 × 592,291,211.07 - Step 4: Simplify right side
1,015,977,452.07x = 830,235,125,524,100,480 - Step 5: Solve for x
x = 830,235,125,524,100,480/1,015,977,452.07 - Step 6: Final answer
x = 817,178,692.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.