Finding the Fourth Proportional to 1,772,244,146.24, 2,445,645,444 and 979,277,526.08
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Solution
The fourth proportional to 1,772,244,146.24, 2,445,645,444 and 979,277,526.08 is: 1,351,374,541.23
Step by Step Solution
- Step 1: Write the proportion equation
1,772,244,146.24 : 2,445,645,444 = 979,277,526.08 : x - Step 2: Convert to fraction form
1,772,244,146.24/2,445,645,444 = 979,277,526.08/x - Step 3: Cross multiply
1,772,244,146.24x = 2,445,645,444 × 979,277,526.08 - Step 4: Simplify right side
1,772,244,146.24x = 2,394,965,620,069,143,040 - Step 5: Solve for x
x = 2,394,965,620,069,143,040/1,772,244,146.24 - Step 6: Final answer
x = 1,351,374,541.23
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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.