Finding the Fourth Proportional to 1,625,741,525.80, 2,438,612,288.70 and 850,900,547.80
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Solution
The fourth proportional to 1,625,741,525.80, 2,438,612,288.70 and 850,900,547.80 is: 1,276,350,821.70
Step by Step Solution
- Step 1: Write the proportion equation
1,625,741,525.80 : 2,438,612,288.70 = 850,900,547.80 : x - Step 2: Convert to fraction form
1,625,741,525.80/2,438,612,288.70 = 850,900,547.80/x - Step 3: Cross multiply
1,625,741,525.80x = 2,438,612,288.70 × 850,900,547.80 - Step 4: Simplify right side
1,625,741,525.80x = 2,075,016,532,326,641,408 - Step 5: Solve for x
x = 2,075,016,532,326,641,408/1,625,741,525.80 - Step 6: Final answer
x = 1,276,350,821.70
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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.