Finding the Fourth Proportional to 1,558,917,696.08, 2,151,288,208.28 and 844,439,777.03
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Solution
The fourth proportional to 1,558,917,696.08, 2,151,288,208.28 and 844,439,777.03 is: 1,165,317,026.99
Step by Step Solution
- Step 1: Write the proportion equation
1,558,917,696.08 : 2,151,288,208.28 = 844,439,777.03 : x - Step 2: Convert to fraction form
1,558,917,696.08/2,151,288,208.28 = 844,439,777.03/x - Step 3: Cross multiply
1,558,917,696.08x = 2,151,288,208.28 × 844,439,777.03 - Step 4: Simplify right side
1,558,917,696.08x = 1,816,633,334,923,009,280 - Step 5: Solve for x
x = 1,816,633,334,923,009,280/1,558,917,696.08 - Step 6: Final answer
x = 1,165,317,026.99
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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.