Finding the Fourth Proportional to 4,628,459,153.28, 6,387,320,548.80 and 2,513,935,528.32
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Solution
The fourth proportional to 4,628,459,153.28, 6,387,320,548.80 and 2,513,935,528.32 is: 3,469,256,512.08
Step by Step Solution
- Step 1: Write the proportion equation
4,628,459,153.28 : 6,387,320,548.80 = 2,513,935,528.32 : x - Step 2: Convert to fraction form
4,628,459,153.28/6,387,320,548.80 = 2,513,935,528.32/x - Step 3: Cross multiply
4,628,459,153.28x = 6,387,320,548.80 × 2,513,935,528.32 - Step 4: Simplify right side
4,628,459,153.28x = 16,057,312,058,396,721,152 - Step 5: Solve for x
x = 16,057,312,058,396,721,152/4,628,459,153.28 - Step 6: Final answer
x = 3,469,256,512.08
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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.