Finding the Fourth Proportional to 2,125,149,948.57, 2,933,647,444.74 and 1,372,830,027.51
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Solution
The fourth proportional to 2,125,149,948.57, 2,933,647,444.74 and 1,372,830,027.51 is: 1,895,113,003.66
Step by Step Solution
- Step 1: Write the proportion equation
2,125,149,948.57 : 2,933,647,444.74 = 1,372,830,027.51 : x - Step 2: Convert to fraction form
2,125,149,948.57/2,933,647,444.74 = 1,372,830,027.51/x - Step 3: Cross multiply
2,125,149,948.57x = 2,933,647,444.74 × 1,372,830,027.51 - Step 4: Simplify right side
2,125,149,948.57x = 4,027,399,302,267,055,104 - Step 5: Solve for x
x = 4,027,399,302,267,055,104/2,125,149,948.57 - Step 6: Final answer
x = 1,895,113,003.66
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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.