Finding the Fourth Proportional to 739,676,438.80, 1,107,391,291.80 and 718,442,774.80
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Solution
The fourth proportional to 739,676,438.80, 1,107,391,291.80 and 718,442,774.80 is: 1,075,601,750.63
Step by Step Solution
- Step 1: Write the proportion equation
739,676,438.80 : 1,107,391,291.80 = 718,442,774.80 : x - Step 2: Convert to fraction form
739,676,438.80/1,107,391,291.80 = 718,442,774.80/x - Step 3: Cross multiply
739,676,438.80x = 1,107,391,291.80 × 718,442,774.80 - Step 4: Simplify right side
739,676,438.80x = 795,597,272,470,148,352 - Step 5: Solve for x
x = 795,597,272,470,148,352/739,676,438.80 - Step 6: Final answer
x = 1,075,601,750.63
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1.5x scale
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.