Finding the Fourth Proportional to 1,628,339,677.24, 2,247,107,053.98 and 885,781,968.52
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Solution
The fourth proportional to 1,628,339,677.24, 2,247,107,053.98 and 885,781,968.52 is: 1,222,378,191.46
Step by Step Solution
- Step 1: Write the proportion equation
1,628,339,677.24 : 2,247,107,053.98 = 885,781,968.52 : x - Step 2: Convert to fraction form
1,628,339,677.24/2,247,107,053.98 = 885,781,968.52/x - Step 3: Cross multiply
1,628,339,677.24x = 2,247,107,053.98 × 885,781,968.52 - Step 4: Simplify right side
1,628,339,677.24x = 1,990,446,909,749,582,336 - Step 5: Solve for x
x = 1,990,446,909,749,582,336/1,628,339,677.24 - Step 6: Final answer
x = 1,222,378,191.46
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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.