Finding the Fourth Proportional to 7,380,533,154.06, 10,185,129,172.41 and 4,166,119,739.63
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Solution
The fourth proportional to 7,380,533,154.06, 10,185,129,172.41 and 4,166,119,739.63 is: 5,749,241,526.35
Step by Step Solution
- Step 1: Write the proportion equation
7,380,533,154.06 : 10,185,129,172.41 = 4,166,119,739.63 : x - Step 2: Convert to fraction form
7,380,533,154.06/10,185,129,172.41 = 4,166,119,739.63/x - Step 3: Cross multiply
7,380,533,154.06x = 10,185,129,172.41 × 4,166,119,739.63 - Step 4: Simplify right side
7,380,533,154.06x = 42,432,467,695,893,479,424 - Step 5: Solve for x
x = 42,432,467,695,893,479,424/7,380,533,154.06 - Step 6: Final answer
x = 5,749,241,526.35
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1.5x scale
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.