Finding the Fourth Proportional to 2,248,985,702,898.40, 3,372,415,120,416.60 and 871,235,014,088.20
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Solution
The fourth proportional to 2,248,985,702,898.40, 3,372,415,120,416.60 and 871,235,014,088.20 is: 1,306,440,557,252.47
Step by Step Solution
- Step 1: Write the proportion equation
2,248,985,702,898.40 : 3,372,415,120,416.60 = 871,235,014,088.20 : x - Step 2: Convert to fraction form
2,248,985,702,898.40/3,372,415,120,416.60 = 871,235,014,088.20/x - Step 3: Cross multiply
2,248,985,702,898.40x = 3,372,415,120,416.60 × 871,235,014,088.20 - Step 4: Simplify right side
2,248,985,702,898.40x = 2,938,166,134,947,414,974,398,464 - Step 5: Solve for x
x = 2,938,166,134,947,414,974,398,464/2,248,985,702,898.40 - Step 6: Final answer
x = 1,306,440,557,252.47
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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.