Finding the Fourth Proportional to 3,163,707,842.56, 4,742,239,817.57 and 1,064,455,445.49
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Solution
The fourth proportional to 3,163,707,842.56, 4,742,239,817.57 and 1,064,455,445.49 is: 1,595,565,472.17
Step by Step Solution
- Step 1: Write the proportion equation
3,163,707,842.56 : 4,742,239,817.57 = 1,064,455,445.49 : x - Step 2: Convert to fraction form
3,163,707,842.56/4,742,239,817.57 = 1,064,455,445.49/x - Step 3: Cross multiply
3,163,707,842.56x = 4,742,239,817.57 × 1,064,455,445.49 - Step 4: Simplify right side
3,163,707,842.56x = 5,047,902,997,617,112,064 - Step 5: Solve for x
x = 5,047,902,997,617,112,064/3,163,707,842.56 - Step 6: Final answer
x = 1,595,565,472.17
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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.