Finding the Fourth Proportional to 2,506,489,257.21, 3,759,858,768.99 and 953,900,909.43
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Solution
The fourth proportional to 2,506,489,257.21, 3,759,858,768.99 and 953,900,909.43 is: 1,430,898,891.25
Step by Step Solution
- Step 1: Write the proportion equation
2,506,489,257.21 : 3,759,858,768.99 = 953,900,909.43 : x - Step 2: Convert to fraction form
2,506,489,257.21/3,759,858,768.99 = 953,900,909.43/x - Step 3: Cross multiply
2,506,489,257.21x = 3,759,858,768.99 × 953,900,909.43 - Step 4: Simplify right side
2,506,489,257.21x = 3,586,532,699,063,151,616 - Step 5: Solve for x
x = 3,586,532,699,063,151,616/2,506,489,257.21 - Step 6: Final answer
x = 1,430,898,891.25
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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.