Finding the Fourth Proportional to 1,491,330,841.79, 2,058,918,314.96 and 1,325,860,390.31
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Solution
The fourth proportional to 1,491,330,841.79, 2,058,918,314.96 and 1,325,860,390.31 is: 1,830,471,257.08
Step by Step Solution
- Step 1: Write the proportion equation
1,491,330,841.79 : 2,058,918,314.96 = 1,325,860,390.31 : x - Step 2: Convert to fraction form
1,491,330,841.79/2,058,918,314.96 = 1,325,860,390.31/x - Step 3: Cross multiply
1,491,330,841.79x = 2,058,918,314.96 × 1,325,860,390.31 - Step 4: Simplify right side
1,491,330,841.79x = 2,729,838,240,682,293,248 - Step 5: Solve for x
x = 2,729,838,240,682,293,248/1,491,330,841.79 - Step 6: Final answer
x = 1,830,471,257.08
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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.