Finding the Fourth Proportional to 982,915,786.24, 1,356,415,722.48 and 536,879,433.76
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Solution
The fourth proportional to 982,915,786.24, 1,356,415,722.48 and 536,879,433.76 is: 740,889,214.75
Step by Step Solution
- Step 1: Write the proportion equation
982,915,786.24 : 1,356,415,722.48 = 536,879,433.76 : x - Step 2: Convert to fraction form
982,915,786.24/1,356,415,722.48 = 536,879,433.76/x - Step 3: Cross multiply
982,915,786.24x = 1,356,415,722.48 × 536,879,433.76 - Step 4: Simplify right side
982,915,786.24x = 728,231,705,028,223,744 - Step 5: Solve for x
x = 728,231,705,028,223,744/982,915,786.24 - Step 6: Final answer
x = 740,889,214.75
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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.