Finding the Fourth Proportional to 808,529,283.20, 1,212,793,924.80 and 723,876,636.80
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Solution
The fourth proportional to 808,529,283.20, 1,212,793,924.80 and 723,876,636.80 is: 1,085,814,955.20
Step by Step Solution
- Step 1: Write the proportion equation
808,529,283.20 : 1,212,793,924.80 = 723,876,636.80 : x - Step 2: Convert to fraction form
808,529,283.20/1,212,793,924.80 = 723,876,636.80/x - Step 3: Cross multiply
808,529,283.20x = 1,212,793,924.80 × 723,876,636.80 - Step 4: Simplify right side
808,529,283.20x = 877,913,187,415,696,000 - Step 5: Solve for x
x = 877,913,187,415,696,000/808,529,283.20 - Step 6: Final answer
x = 1,085,814,955.20
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Similar ratio
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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.