Finding the Fourth Proportional to 2,658,705,386.90, 3,984,493,286.75 and 2,069,207,457.48
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Solution
The fourth proportional to 2,658,705,386.90, 3,984,493,286.75 and 2,069,207,457.48 is: 3,101,036,791.76
Step by Step Solution
- Step 1: Write the proportion equation
2,658,705,386.90 : 3,984,493,286.75 = 2,069,207,457.48 : x - Step 2: Convert to fraction form
2,658,705,386.90/3,984,493,286.75 = 2,069,207,457.48/x - Step 3: Cross multiply
2,658,705,386.90x = 3,984,493,286.75 × 2,069,207,457.48 - Step 4: Simplify right side
2,658,705,386.90x = 8,244,743,223,211,749,376 - Step 5: Solve for x
x = 8,244,743,223,211,749,376/2,658,705,386.90 - Step 6: Final answer
x = 3,101,036,791.76
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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.