Finding the Fourth Proportional to 6,486,762,069.68, 9,729,159,977.80 and 1,765,451,899.40
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Solution
The fourth proportional to 6,486,762,069.68, 9,729,159,977.80 and 1,765,451,899.40 is: 2,647,910,279.09
Step by Step Solution
- Step 1: Write the proportion equation
6,486,762,069.68 : 9,729,159,977.80 = 1,765,451,899.40 : x - Step 2: Convert to fraction form
6,486,762,069.68/9,729,159,977.80 = 1,765,451,899.40/x - Step 3: Cross multiply
6,486,762,069.68x = 9,729,159,977.80 × 1,765,451,899.40 - Step 4: Simplify right side
6,486,762,069.68x = 17,176,363,962,317,234,176 - Step 5: Solve for x
x = 17,176,363,962,317,234,176/6,486,762,069.68 - Step 6: Final answer
x = 2,647,910,279.09
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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.