Finding the Fourth Proportional to 5,752,352,999.24, 7,943,729,627.14 and 5,438,968,386.34
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Solution
The fourth proportional to 5,752,352,999.24, 7,943,729,627.14 and 5,438,968,386.34 is: 7,510,960,178.79
Step by Step Solution
- Step 1: Write the proportion equation
5,752,352,999.24 : 7,943,729,627.14 = 5,438,968,386.34 : x - Step 2: Convert to fraction form
5,752,352,999.24/7,943,729,627.14 = 5,438,968,386.34/x - Step 3: Cross multiply
5,752,352,999.24x = 7,943,729,627.14 × 5,438,968,386.34 - Step 4: Simplify right side
5,752,352,999.24x = 43,205,694,311,646,896,128 - Step 5: Solve for x
x = 43,205,694,311,646,896,128/5,752,352,999.24 - Step 6: Final answer
x = 7,510,960,178.79
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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.