Finding the Fourth Proportional to 10,122,220,689.80, 15,184,333,636.56 and 3,742,430,538.26
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Solution
The fourth proportional to 10,122,220,689.80, 15,184,333,636.56 and 3,742,430,538.26 is: 5,614,016,493.62
Step by Step Solution
- Step 1: Write the proportion equation
10,122,220,689.80 : 15,184,333,636.56 = 3,742,430,538.26 : x - Step 2: Convert to fraction form
10,122,220,689.80/15,184,333,636.56 = 3,742,430,538.26/x - Step 3: Cross multiply
10,122,220,689.80x = 15,184,333,636.56 × 3,742,430,538.26 - Step 4: Simplify right side
10,122,220,689.80x = 56,826,313,904,590,667,776 - Step 5: Solve for x
x = 56,826,313,904,590,667,776/10,122,220,689.80 - Step 6: Final answer
x = 5,614,016,493.62
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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.