Finding the Fourth Proportional to 889,236,195.36, 1,227,153,260.63 and 492,765,806.00
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Solution
The fourth proportional to 889,236,195.36, 1,227,153,260.63 and 492,765,806.00 is: 680,020,863.64
Step by Step Solution
- Step 1: Write the proportion equation
889,236,195.36 : 1,227,153,260.63 = 492,765,806.00 : x - Step 2: Convert to fraction form
889,236,195.36/1,227,153,260.63 = 492,765,806.00/x - Step 3: Cross multiply
889,236,195.36x = 1,227,153,260.63 × 492,765,806.00 - Step 4: Simplify right side
889,236,195.36x = 604,699,165,551,270,400 - Step 5: Solve for x
x = 604,699,165,551,270,400/889,236,195.36 - Step 6: Final answer
x = 680,020,863.64
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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.