Finding the Fourth Proportional to 571,354,402.68, 788,477,246.61 and 428,046,244.06
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Solution
The fourth proportional to 571,354,402.68, 788,477,246.61 and 428,046,244.06 is: 590,709,938.26
Step by Step Solution
- Step 1: Write the proportion equation
571,354,402.68 : 788,477,246.61 = 428,046,244.06 : x - Step 2: Convert to fraction form
571,354,402.68/788,477,246.61 = 428,046,244.06/x - Step 3: Cross multiply
571,354,402.68x = 788,477,246.61 × 428,046,244.06 - Step 4: Simplify right side
571,354,402.68x = 337,504,723,934,479,680 - Step 5: Solve for x
x = 337,504,723,934,479,680/571,354,402.68 - Step 6: Final answer
x = 590,709,938.26
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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.