Finding the Fourth Proportional to 2,027,766,302.12, 2,797,426,106.20 and 1,223,545,220.93
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Solution
The fourth proportional to 2,027,766,302.12, 2,797,426,106.20 and 1,223,545,220.93 is: 1,687,954,543.66
Step by Step Solution
- Step 1: Write the proportion equation
2,027,766,302.12 : 2,797,426,106.20 = 1,223,545,220.93 : x - Step 2: Convert to fraction form
2,027,766,302.12/2,797,426,106.20 = 1,223,545,220.93/x - Step 3: Cross multiply
2,027,766,302.12x = 2,797,426,106.20 × 1,223,545,220.93 - Step 4: Simplify right side
2,027,766,302.12x = 3,422,777,343,154,412,544 - Step 5: Solve for x
x = 3,422,777,343,154,412,544/2,027,766,302.12 - Step 6: Final answer
x = 1,687,954,543.66
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1.5x scale
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.