Finding the Fourth Proportional to 998,621,935.29, 1,378,202,001.35 and 575,250,228.09
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Solution
The fourth proportional to 998,621,935.29, 1,378,202,001.35 and 575,250,228.09 is: 793,905,068.19
Step by Step Solution
- Step 1: Write the proportion equation
998,621,935.29 : 1,378,202,001.35 = 575,250,228.09 : x - Step 2: Convert to fraction form
998,621,935.29/1,378,202,001.35 = 575,250,228.09/x - Step 3: Cross multiply
998,621,935.29x = 1,378,202,001.35 × 575,250,228.09 - Step 4: Simplify right side
998,621,935.29x = 792,811,015,627,805,824 - Step 5: Solve for x
x = 792,811,015,627,805,824/998,621,935.29 - Step 6: Final answer
x = 793,905,068.19
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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.