Finding the Fourth Proportional to 13,614,083,507.63, 18,787,435,276.69 and 7,355,834,291.63
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Solution
The fourth proportional to 13,614,083,507.63, 18,787,435,276.69 and 7,355,834,291.63 is: 10,151,051,341.99
Step by Step Solution
- Step 1: Write the proportion equation
13,614,083,507.63 : 18,787,435,276.69 = 7,355,834,291.63 : x - Step 2: Convert to fraction form
13,614,083,507.63/18,787,435,276.69 = 7,355,834,291.63/x - Step 3: Cross multiply
13,614,083,507.63x = 18,787,435,276.69 × 7,355,834,291.63 - Step 4: Simplify right side
13,614,083,507.63x = 138,197,260,660,117,143,552 - Step 5: Solve for x
x = 138,197,260,660,117,143,552/13,614,083,507.63 - Step 6: Final answer
x = 10,151,051,341.99
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1.5x scale
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.