Finding the Fourth Proportional to 2,658,705,388.90, 3,984,493,289.74 and 2,069,207,459.48
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Solution
The fourth proportional to 2,658,705,388.90, 3,984,493,289.74 and 2,069,207,459.48 is: 3,101,036,794.75
Step by Step Solution
- Step 1: Write the proportion equation
2,658,705,388.90 : 3,984,493,289.74 = 2,069,207,459.48 : x - Step 2: Convert to fraction form
2,658,705,388.90/3,984,493,289.74 = 2,069,207,459.48/x - Step 3: Cross multiply
2,658,705,388.90x = 3,984,493,289.74 × 2,069,207,459.48 - Step 4: Simplify right side
2,658,705,388.90x = 8,244,743,237,378,012,160 - Step 5: Solve for x
x = 8,244,743,237,378,012,160/2,658,705,388.90 - Step 6: Final answer
x = 3,101,036,794.75
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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.