Finding the Fourth Proportional to 1,696,988,132.09, 2,340,516,937.47 and 1,102,464,170.90
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Solution
The fourth proportional to 1,696,988,132.09, 2,340,516,937.47 and 1,102,464,170.90 is: 1,520,538,662.68
Step by Step Solution
- Step 1: Write the proportion equation
1,696,988,132.09 : 2,340,516,937.47 = 1,102,464,170.90 : x - Step 2: Convert to fraction form
1,696,988,132.09/2,340,516,937.47 = 1,102,464,170.90/x - Step 3: Cross multiply
1,696,988,132.09x = 2,340,516,937.47 × 1,102,464,170.90 - Step 4: Simplify right side
1,696,988,132.09x = 2,580,336,064,945,270,784 - Step 5: Solve for x
x = 2,580,336,064,945,270,784/1,696,988,132.09 - Step 6: Final answer
x = 1,520,538,662.68
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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.