Finding the Fourth Proportional to 4,946,995,284.80, 7,420,492,927.20 and 4,457,219,259.20
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Solution
The fourth proportional to 4,946,995,284.80, 7,420,492,927.20 and 4,457,219,259.20 is: 6,685,828,888.80
Step by Step Solution
- Step 1: Write the proportion equation
4,946,995,284.80 : 7,420,492,927.20 = 4,457,219,259.20 : x - Step 2: Convert to fraction form
4,946,995,284.80/7,420,492,927.20 = 4,457,219,259.20/x - Step 3: Cross multiply
4,946,995,284.80x = 7,420,492,927.20 × 4,457,219,259.20 - Step 4: Simplify right side
4,946,995,284.80x = 33,074,763,987,873,222,656 - Step 5: Solve for x
x = 33,074,763,987,873,222,656/4,946,995,284.80 - Step 6: Final answer
x = 6,685,828,888.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.