Finding the Fourth Proportional to 1,850,348,782.56, 2,775,225,351.60 and 539,943,172.32
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Solution
The fourth proportional to 1,850,348,782.56, 2,775,225,351.60 and 539,943,172.32 is: 809,827,852.12
Step by Step Solution
- Step 1: Write the proportion equation
1,850,348,782.56 : 2,775,225,351.60 = 539,943,172.32 : x - Step 2: Convert to fraction form
1,850,348,782.56/2,775,225,351.60 = 539,943,172.32/x - Step 3: Cross multiply
1,850,348,782.56x = 2,775,225,351.60 × 539,943,172.32 - Step 4: Simplify right side
1,850,348,782.56x = 1,498,463,980,245,791,488 - Step 5: Solve for x
x = 1,498,463,980,245,791,488/1,850,348,782.56 - Step 6: Final answer
x = 809,827,852.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.