Finding the Fourth Proportional to 15,400,889,223,768, 21,253,736,825,650 and 8,464,373,317,335
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Solution
The fourth proportional to 15,400,889,223,768, 21,253,736,825,650 and 8,464,373,317,335 is: 11,681,115,308,787.20
Step by Step Solution
- Step 1: Write the proportion equation
15,400,889,223,768 : 21,253,736,825,650 = 8,464,373,317,335 : x - Step 2: Convert to fraction form
15,400,889,223,768/21,253,736,825,650 = 8,464,373,317,335/x - Step 3: Cross multiply
15,400,889,223,768x = 21,253,736,825,650 × 8,464,373,317,335 - Step 4: Simplify right side
15,400,889,223,768x = 179,899,562,880,692,141,449,805,824 - Step 5: Solve for x
x = 179,899,562,880,692,141,449,805,824/15,400,889,223,768 - Step 6: Final answer
x = 11,681,115,308,787.20
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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.