Finding the Fourth Proportional to 13,498,625,111.81, 18,628,101,058.25 and 8,073,159,881.99
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Solution
The fourth proportional to 13,498,625,111.81, 18,628,101,058.25 and 8,073,159,881.99 is: 11,140,959,682.60
Step by Step Solution
- Step 1: Write the proportion equation
13,498,625,111.81 : 18,628,101,058.25 = 8,073,159,881.99 : x - Step 2: Convert to fraction form
13,498,625,111.81/18,628,101,058.25 = 8,073,159,881.99/x - Step 3: Cross multiply
13,498,625,111.81x = 18,628,101,058.25 × 8,073,159,881.99 - Step 4: Simplify right side
13,498,625,111.81x = 150,387,638,141,184,573,440 - Step 5: Solve for x
x = 150,387,638,141,184,573,440/13,498,625,111.81 - Step 6: Final answer
x = 11,140,959,682.60
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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.