Finding the Fourth Proportional to 3,447,765,625.11, 5,171,648,506.08 and 827,569,730.40
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Solution
The fourth proportional to 3,447,765,625.11, 5,171,648,506.08 and 827,569,730.40 is: 1,241,354,612.02
Step by Step Solution
- Step 1: Write the proportion equation
3,447,765,625.11 : 5,171,648,506.08 = 827,569,730.40 : x - Step 2: Convert to fraction form
3,447,765,625.11/5,171,648,506.08 = 827,569,730.40/x - Step 3: Cross multiply
3,447,765,625.11x = 5,171,648,506.08 × 827,569,730.40 - Step 4: Simplify right side
3,447,765,625.11x = 4,279,899,759,874,330,112 - Step 5: Solve for x
x = 4,279,899,759,874,330,112/3,447,765,625.11 - Step 6: Final answer
x = 1,241,354,612.02
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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.