Finding the Fourth Proportional to 749,481,770.79, 1,034,354,226.74 and 414,954,294.08
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Solution
The fourth proportional to 749,481,770.79, 1,034,354,226.74 and 414,954,294.08 is: 572,675,340.09
Step by Step Solution
- Step 1: Write the proportion equation
749,481,770.79 : 1,034,354,226.74 = 414,954,294.08 : x - Step 2: Convert to fraction form
749,481,770.79/1,034,354,226.74 = 414,954,294.08/x - Step 3: Cross multiply
749,481,770.79x = 1,034,354,226.74 × 414,954,294.08 - Step 4: Simplify right side
749,481,770.79x = 429,209,727,978,314,432 - Step 5: Solve for x
x = 429,209,727,978,314,432/749,481,770.79 - Step 6: Final answer
x = 572,675,340.09
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1.5x scale
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.