Finding the Fourth Proportional to 1,310,759,063.95, 1,966,155,634.22 and 437,360,432.26
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Solution
The fourth proportional to 1,310,759,063.95, 1,966,155,634.22 and 437,360,432.26 is: 656,046,333.55
Step by Step Solution
- Step 1: Write the proportion equation
1,310,759,063.95 : 1,966,155,634.22 = 437,360,432.26 : x - Step 2: Convert to fraction form
1,310,759,063.95/1,966,155,634.22 = 437,360,432.26/x - Step 3: Cross multiply
1,310,759,063.95x = 1,966,155,634.22 × 437,360,432.26 - Step 4: Simplify right side
1,310,759,063.95x = 859,918,678,068,436,864 - Step 5: Solve for x
x = 859,918,678,068,436,864/1,310,759,063.95 - Step 6: Final answer
x = 656,046,333.55
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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.