Finding the Fourth Proportional to 448,690,147.15, 619,295,715.21 and 263,110,949.95
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Solution
The fourth proportional to 448,690,147.15, 619,295,715.21 and 263,110,949.95 is: 363,153,692.95
Step by Step Solution
- Step 1: Write the proportion equation
448,690,147.15 : 619,295,715.21 = 263,110,949.95 : x - Step 2: Convert to fraction form
448,690,147.15/619,295,715.21 = 263,110,949.95/x - Step 3: Cross multiply
448,690,147.15x = 619,295,715.21 × 263,110,949.95 - Step 4: Simplify right side
448,690,147.15x = 162,943,483,928,867,776 - Step 5: Solve for x
x = 162,943,483,928,867,776/448,690,147.15 - Step 6: Final answer
x = 363,153,692.95
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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.