Finding the Fourth Proportional to 898,110,986.66, 1,239,379,971.49 and 501,639,762.18
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Solution
The fourth proportional to 898,110,986.66, 1,239,379,971.49 and 501,639,762.18 is: 692,255,504.48
Step by Step Solution
- Step 1: Write the proportion equation
898,110,986.66 : 1,239,379,971.49 = 501,639,762.18 : x - Step 2: Convert to fraction form
898,110,986.66/1,239,379,971.49 = 501,639,762.18/x - Step 3: Cross multiply
898,110,986.66x = 1,239,379,971.49 × 501,639,762.18 - Step 4: Simplify right side
898,110,986.66x = 621,722,274,148,898,816 - Step 5: Solve for x
x = 621,722,274,148,898,816/898,110,986.66 - Step 6: Final answer
x = 692,255,504.48
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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.