Finding the Fourth Proportional to 1,574,644,434.80, 2,361,966,652.20 and 539,161,170.80
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Solution
The fourth proportional to 1,574,644,434.80, 2,361,966,652.20 and 539,161,170.80 is: 808,741,756.20
Step by Step Solution
- Step 1: Write the proportion equation
1,574,644,434.80 : 2,361,966,652.20 = 539,161,170.80 : x - Step 2: Convert to fraction form
1,574,644,434.80/2,361,966,652.20 = 539,161,170.80/x - Step 3: Cross multiply
1,574,644,434.80x = 2,361,966,652.20 × 539,161,170.80 - Step 4: Simplify right side
1,574,644,434.80x = 1,273,480,705,590,708,224 - Step 5: Solve for x
x = 1,273,480,705,590,708,224/1,574,644,434.80 - Step 6: Final answer
x = 808,741,756.20
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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.