Finding the Fourth Proportional to 1,651,086,792.84, 2,278,430,961.66 and 898,402,924.20
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Solution
The fourth proportional to 1,651,086,792.84, 2,278,430,961.66 and 898,402,924.20 is: 1,239,758,592.59
Step by Step Solution
- Step 1: Write the proportion equation
1,651,086,792.84 : 2,278,430,961.66 = 898,402,924.20 : x - Step 2: Convert to fraction form
1,651,086,792.84/2,278,430,961.66 = 898,402,924.20/x - Step 3: Cross multiply
1,651,086,792.84x = 2,278,430,961.66 × 898,402,924.20 - Step 4: Simplify right side
1,651,086,792.84x = 2,046,949,038,543,162,112 - Step 5: Solve for x
x = 2,046,949,038,543,162,112/1,651,086,792.84 - Step 6: Final answer
x = 1,239,758,592.59
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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.