Finding the Fourth Proportional to 881,866,716.35, 1,216,356,479.15 and 580,355,964.05
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Solution
The fourth proportional to 881,866,716.35, 1,216,356,479.15 and 580,355,964.05 is: 800,483,478.96
Step by Step Solution
- Step 1: Write the proportion equation
881,866,716.35 : 1,216,356,479.15 = 580,355,964.05 : x - Step 2: Convert to fraction form
881,866,716.35/1,216,356,479.15 = 580,355,964.05/x - Step 3: Cross multiply
881,866,716.35x = 1,216,356,479.15 × 580,355,964.05 - Step 4: Simplify right side
881,866,716.35x = 705,919,737,076,578,304 - Step 5: Solve for x
x = 705,919,737,076,578,304/881,866,716.35 - Step 6: Final answer
x = 800,483,478.96
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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.