Finding the Fourth Proportional to 2,519,487,621.20, 3,779,231,431.80 and 796,201,605.20
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Solution
The fourth proportional to 2,519,487,621.20, 3,779,231,431.80 and 796,201,605.20 is: 1,194,302,407.80
Step by Step Solution
- Step 1: Write the proportion equation
2,519,487,621.20 : 3,779,231,431.80 = 796,201,605.20 : x - Step 2: Convert to fraction form
2,519,487,621.20/3,779,231,431.80 = 796,201,605.20/x - Step 3: Cross multiply
2,519,487,621.20x = 3,779,231,431.80 × 796,201,605.20 - Step 4: Simplify right side
2,519,487,621.20x = 3,009,030,132,421,454,848 - Step 5: Solve for x
x = 3,009,030,132,421,454,848/2,519,487,621.20 - Step 6: Final answer
x = 1,194,302,407.80
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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.