Finding the Fourth Proportional to 824,865,553.80, 1,237,298,330.70 and 718,324,919.33
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Solution
The fourth proportional to 824,865,553.80, 1,237,298,330.70 and 718,324,919.33 is: 1,077,487,378.99
Step by Step Solution
- Step 1: Write the proportion equation
824,865,553.80 : 1,237,298,330.70 = 718,324,919.33 : x - Step 2: Convert to fraction form
824,865,553.80/1,237,298,330.70 = 718,324,919.33/x - Step 3: Cross multiply
824,865,553.80x = 1,237,298,330.70 × 718,324,919.33 - Step 4: Simplify right side
824,865,553.80x = 888,782,223,581,034,752 - Step 5: Solve for x
x = 888,782,223,581,034,752/824,865,553.80 - Step 6: Final answer
x = 1,077,487,378.99
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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.