Finding the Fourth Proportional to 2,682,237,161.33, 4,023,049,263.74 and 717,243,474.74
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Solution
The fourth proportional to 2,682,237,161.33, 4,023,049,263.74 and 717,243,474.74 is: 1,075,783,258.31
Step by Step Solution
- Step 1: Write the proportion equation
2,682,237,161.33 : 4,023,049,263.74 = 717,243,474.74 : x - Step 2: Convert to fraction form
2,682,237,161.33/4,023,049,263.74 = 717,243,474.74/x - Step 3: Cross multiply
2,682,237,161.33x = 4,023,049,263.74 × 717,243,474.74 - Step 4: Simplify right side
2,682,237,161.33x = 2,885,505,832,971,490,304 - Step 5: Solve for x
x = 2,885,505,832,971,490,304/2,682,237,161.33 - Step 6: Final answer
x = 1,075,783,258.31
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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.