Finding the Fourth Proportional to 3,921,019,877.80, 5,873,467,659.90 and 2,695,572,044.20
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Solution
The fourth proportional to 3,921,019,877.80, 5,873,467,659.90 and 2,695,572,044.20 is: 4,037,815,598.99
Step by Step Solution
- Step 1: Write the proportion equation
3,921,019,877.80 : 5,873,467,659.90 = 2,695,572,044.20 : x - Step 2: Convert to fraction form
3,921,019,877.80/5,873,467,659.90 = 2,695,572,044.20/x - Step 3: Cross multiply
3,921,019,877.80x = 5,873,467,659.90 × 2,695,572,044.20 - Step 4: Simplify right side
3,921,019,877.80x = 15,832,355,226,539,231,232 - Step 5: Solve for x
x = 15,832,355,226,539,231,232/3,921,019,877.80 - Step 6: Final answer
x = 4,037,815,598.99
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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.