Finding the Fourth Proportional to 19,969,184,400.26, 27,558,340,721.18 and 11,058,513,153.26
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Solution
The fourth proportional to 19,969,184,400.26, 27,558,340,721.18 and 11,058,513,153.26 is: 15,261,227,861.83
Step by Step Solution
- Step 1: Write the proportion equation
19,969,184,400.26 : 27,558,340,721.18 = 11,058,513,153.26 : x - Step 2: Convert to fraction form
19,969,184,400.26/27,558,340,721.18 = 11,058,513,153.26/x - Step 3: Cross multiply
19,969,184,400.26x = 27,558,340,721.18 × 11,058,513,153.26 - Step 4: Simplify right side
19,969,184,400.26x = 304,754,273,347,189,735,424 - Step 5: Solve for x
x = 304,754,273,347,189,735,424/19,969,184,400.26 - Step 6: Final answer
x = 15,261,227,861.83
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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.