Finding the Fourth Proportional to 885,694,538.10, 1,328,541,807.15 and 340,453,859.70
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Solution
The fourth proportional to 885,694,538.10, 1,328,541,807.15 and 340,453,859.70 is: 510,680,789.55
Step by Step Solution
- Step 1: Write the proportion equation
885,694,538.10 : 1,328,541,807.15 = 340,453,859.70 : x - Step 2: Convert to fraction form
885,694,538.10/1,328,541,807.15 = 340,453,859.70/x - Step 3: Cross multiply
885,694,538.10x = 1,328,541,807.15 × 340,453,859.70 - Step 4: Simplify right side
885,694,538.10x = 452,307,186,017,030,592 - Step 5: Solve for x
x = 452,307,186,017,030,592/885,694,538.10 - Step 6: Final answer
x = 510,680,789.55
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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.