Finding the Fourth Proportional to 738,258,409.60, 1,107,387,614.40 and 706,806,044.80
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Solution
The fourth proportional to 738,258,409.60, 1,107,387,614.40 and 706,806,044.80 is: 1,060,209,067.20
Step by Step Solution
- Step 1: Write the proportion equation
738,258,409.60 : 1,107,387,614.40 = 706,806,044.80 : x - Step 2: Convert to fraction form
738,258,409.60/1,107,387,614.40 = 706,806,044.80/x - Step 3: Cross multiply
738,258,409.60x = 1,107,387,614.40 × 706,806,044.80 - Step 4: Simplify right side
738,258,409.60x = 782,708,259,794,571,520 - Step 5: Solve for x
x = 782,708,259,794,571,520/738,258,409.60 - Step 6: Final answer
x = 1,060,209,067.20
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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.