Finding the Fourth Proportional to 3,205,409,921.16, 4,423,466,110.62 and 1,776,573,276.12
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Solution
The fourth proportional to 3,205,409,921.16, 4,423,466,110.62 and 1,776,573,276.12 is: 2,451,671,353.51
Step by Step Solution
- Step 1: Write the proportion equation
3,205,409,921.16 : 4,423,466,110.62 = 1,776,573,276.12 : x - Step 2: Convert to fraction form
3,205,409,921.16/4,423,466,110.62 = 1,776,573,276.12/x - Step 3: Cross multiply
3,205,409,921.16x = 4,423,466,110.62 × 1,776,573,276.12 - Step 4: Simplify right side
3,205,409,921.16x = 7,858,611,679,949,967,360 - Step 5: Solve for x
x = 7,858,611,679,949,967,360/3,205,409,921.16 - Step 6: Final answer
x = 2,451,671,353.51
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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.