Finding the Fourth Proportional to 1,048,905,171.36, 1,447,471,713.96 and 578,994,337.44
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Solution
The fourth proportional to 1,048,905,171.36, 1,447,471,713.96 and 578,994,337.44 is: 799,002,568.46
Step by Step Solution
- Step 1: Write the proportion equation
1,048,905,171.36 : 1,447,471,713.96 = 578,994,337.44 : x - Step 2: Convert to fraction form
1,048,905,171.36/1,447,471,713.96 = 578,994,337.44/x - Step 3: Cross multiply
1,048,905,171.36x = 1,447,471,713.96 × 578,994,337.44 - Step 4: Simplify right side
1,048,905,171.36x = 838,077,925,987,411,456 - Step 5: Solve for x
x = 838,077,925,987,411,456/1,048,905,171.36 - Step 6: Final answer
x = 799,002,568.46
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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.