Finding the Fourth Proportional to 2,018,073,652.80, 3,027,110,479.20 and 929,682,484.80
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Solution
The fourth proportional to 2,018,073,652.80, 3,027,110,479.20 and 929,682,484.80 is: 1,394,523,727.20
Step by Step Solution
- Step 1: Write the proportion equation
2,018,073,652.80 : 3,027,110,479.20 = 929,682,484.80 : x - Step 2: Convert to fraction form
2,018,073,652.80/3,027,110,479.20 = 929,682,484.80/x - Step 3: Cross multiply
2,018,073,652.80x = 3,027,110,479.20 × 929,682,484.80 - Step 4: Simplify right side
2,018,073,652.80x = 2,814,251,592,066,774,528 - Step 5: Solve for x
x = 2,814,251,592,066,774,528/2,018,073,652.80 - Step 6: Final answer
x = 1,394,523,727.20
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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.