Finding the Fourth Proportional to 5,752,352,998.74, 7,943,729,626.45 and 5,438,968,385.83
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Solution
The fourth proportional to 5,752,352,998.74, 7,943,729,626.45 and 5,438,968,385.83 is: 7,510,960,178.09
Step by Step Solution
- Step 1: Write the proportion equation
5,752,352,998.74 : 7,943,729,626.45 = 5,438,968,385.83 : x - Step 2: Convert to fraction form
5,752,352,998.74/7,943,729,626.45 = 5,438,968,385.83/x - Step 3: Cross multiply
5,752,352,998.74x = 7,943,729,626.45 × 5,438,968,385.83 - Step 4: Simplify right side
5,752,352,998.74x = 43,205,694,303,842,705,408 - Step 5: Solve for x
x = 43,205,694,303,842,705,408/5,752,352,998.74 - Step 6: Final answer
x = 7,510,960,178.09
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1.5x scale
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.