Finding the Fourth Proportional to 1,567,263,713.15, 2,351,235,692.16 and 476,718,437.63
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Solution
The fourth proportional to 1,567,263,713.15, 2,351,235,692.16 and 476,718,437.63 is: 715,181,112.31
Step by Step Solution
- Step 1: Write the proportion equation
1,567,263,713.15 : 2,351,235,692.16 = 476,718,437.63 : x - Step 2: Convert to fraction form
1,567,263,713.15/2,351,235,692.16 = 476,718,437.63/x - Step 3: Cross multiply
1,567,263,713.15x = 2,351,235,692.16 × 476,718,437.63 - Step 4: Simplify right side
1,567,263,713.15x = 1,120,877,405,654,650,624 - Step 5: Solve for x
x = 1,120,877,405,654,650,624/1,567,263,713.15 - Step 6: Final answer
x = 715,181,112.31
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1.5x scale
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.