Finding the Fourth Proportional to 15,726,434,166.89, 23,589,739,437.47 and 5,245,621,813.99
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Solution
The fourth proportional to 15,726,434,166.89, 23,589,739,437.47 and 5,245,621,813.99 is: 7,868,462,136.20
Step by Step Solution
- Step 1: Write the proportion equation
15,726,434,166.89 : 23,589,739,437.47 = 5,245,621,813.99 : x - Step 2: Convert to fraction form
15,726,434,166.89/23,589,739,437.47 = 5,245,621,813.99/x - Step 3: Cross multiply
15,726,434,166.89x = 23,589,739,437.47 × 5,245,621,813.99 - Step 4: Simplify right side
15,726,434,166.89x = 123,742,851,779,548,282,880 - Step 5: Solve for x
x = 123,742,851,779,548,282,880/15,726,434,166.89 - Step 6: Final answer
x = 7,868,462,136.20
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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.