Finding the Fourth Proportional to 4,946,995,272.30, 7,420,492,908.45 and 4,457,219,246.70
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Solution
The fourth proportional to 4,946,995,272.30, 7,420,492,908.45 and 4,457,219,246.70 is: 6,685,828,870.05
Step by Step Solution
- Step 1: Write the proportion equation
4,946,995,272.30 : 7,420,492,908.45 = 4,457,219,246.70 : x - Step 2: Convert to fraction form
4,946,995,272.30/7,420,492,908.45 = 4,457,219,246.70/x - Step 3: Cross multiply
4,946,995,272.30x = 7,420,492,908.45 × 4,457,219,246.70 - Step 4: Simplify right side
4,946,995,272.30x = 33,074,763,811,544,199,168 - Step 5: Solve for x
x = 33,074,763,811,544,199,168/4,946,995,272.30 - Step 6: Final answer
x = 6,685,828,870.05
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Double scale
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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.