Finding the Fourth Proportional to 1,040,175,902.97, 1,435,444,664.55 and 563,864,798.97
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Solution
The fourth proportional to 1,040,175,902.97, 1,435,444,664.55 and 563,864,798.97 is: 778,134,462.54
Step by Step Solution
- Step 1: Write the proportion equation
1,040,175,902.97 : 1,435,444,664.55 = 563,864,798.97 : x - Step 2: Convert to fraction form
1,040,175,902.97/1,435,444,664.55 = 563,864,798.97/x - Step 3: Cross multiply
1,040,175,902.97x = 1,435,444,664.55 × 563,864,798.97 - Step 4: Simplify right side
1,040,175,902.97x = 809,396,717,209,044,864 - Step 5: Solve for x
x = 809,396,717,209,044,864/1,040,175,902.97 - Step 6: Final answer
x = 778,134,462.54
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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.