Finding the Fourth Proportional to 1,127,751,749.01, 1,691,709,154.88 and 472,043,309.49
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Solution
The fourth proportional to 1,127,751,749.01, 1,691,709,154.88 and 472,043,309.49 is: 708,099,090.84
Step by Step Solution
- Step 1: Write the proportion equation
1,127,751,749.01 : 1,691,709,154.88 = 472,043,309.49 : x - Step 2: Convert to fraction form
1,127,751,749.01/1,691,709,154.88 = 472,043,309.49/x - Step 3: Cross multiply
1,127,751,749.01x = 1,691,709,154.88 × 472,043,309.49 - Step 4: Simplify right side
1,127,751,749.01x = 798,559,988,161,725,952 - Step 5: Solve for x
x = 798,559,988,161,725,952/1,127,751,749.01 - Step 6: Final answer
x = 708,099,090.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.