Finding the Fourth Proportional to 7,645,444,289.58, 10,551,243,391.92 and 4,634,823,889.56
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Solution
The fourth proportional to 7,645,444,289.58, 10,551,243,391.92 and 4,634,823,889.56 is: 6,396,378,429.45
Step by Step Solution
- Step 1: Write the proportion equation
7,645,444,289.58 : 10,551,243,391.92 = 4,634,823,889.56 : x - Step 2: Convert to fraction form
7,645,444,289.58/10,551,243,391.92 = 4,634,823,889.56/x - Step 3: Cross multiply
7,645,444,289.58x = 10,551,243,391.92 × 4,634,823,889.56 - Step 4: Simplify right side
7,645,444,289.58x = 48,903,154,937,432,907,776 - Step 5: Solve for x
x = 48,903,154,937,432,907,776/7,645,444,289.58 - Step 6: Final answer
x = 6,396,378,429.45
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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.