Finding the Fourth Proportional to 807,949,887.02, 1,211,960,833.41 and 247,670,424.62
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Solution
The fourth proportional to 807,949,887.02, 1,211,960,833.41 and 247,670,424.62 is: 371,516,673.32
Step by Step Solution
- Step 1: Write the proportion equation
807,949,887.02 : 1,211,960,833.41 = 247,670,424.62 : x - Step 2: Convert to fraction form
807,949,887.02/1,211,960,833.41 = 247,670,424.62/x - Step 3: Cross multiply
807,949,887.02x = 1,211,960,833.41 × 247,670,424.62 - Step 4: Simplify right side
807,949,887.02x = 300,166,854,233,463,808 - Step 5: Solve for x
x = 300,166,854,233,463,808/807,949,887.02 - Step 6: Final answer
x = 371,516,673.32
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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.