Finding the Fourth Proportional to 189,754,483,619.94, 261,866,005,445.99 and 104,115,426,668.31
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Solution
The fourth proportional to 189,754,483,619.94, 261,866,005,445.99 and 104,115,426,668.31 is: 143,681,932,393.98
Step by Step Solution
- Step 1: Write the proportion equation
189,754,483,619.94 : 261,866,005,445.99 = 104,115,426,668.31 : x - Step 2: Convert to fraction form
189,754,483,619.94/261,866,005,445.99 = 104,115,426,668.31/x - Step 3: Cross multiply
189,754,483,619.94x = 261,866,005,445.99 × 104,115,426,668.31 - Step 4: Simplify right side
189,754,483,619.94x = 27,264,290,886,935,235,264,512 - Step 5: Solve for x
x = 27,264,290,886,935,235,264,512/189,754,483,619.94 - Step 6: Final answer
x = 143,681,932,393.98
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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.