Finding the Fourth Proportional to 4,310,658,618.10, 6,465,987,927.15 and 1,861,778,490.10
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Solution
The fourth proportional to 4,310,658,618.10, 6,465,987,927.15 and 1,861,778,490.10 is: 2,792,667,735.15
Step by Step Solution
- Step 1: Write the proportion equation
4,310,658,618.10 : 6,465,987,927.15 = 1,861,778,490.10 : x - Step 2: Convert to fraction form
4,310,658,618.10/6,465,987,927.15 = 1,861,778,490.10/x - Step 3: Cross multiply
4,310,658,618.10x = 6,465,987,927.15 × 1,861,778,490.10 - Step 4: Simplify right side
4,310,658,618.10x = 12,038,237,240,014,153,728 - Step 5: Solve for x
x = 12,038,237,240,014,153,728/4,310,658,618.10 - Step 6: Final answer
x = 2,792,667,735.15
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1.5x scale
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.