Finding the Fourth Proportional to 7,351,688,708.48, 10,145,395,165.44 and 4,010,201,851.52
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Solution
The fourth proportional to 7,351,688,708.48, 10,145,395,165.44 and 4,010,201,851.52 is: 5,534,113,873.72
Step by Step Solution
- Step 1: Write the proportion equation
7,351,688,708.48 : 10,145,395,165.44 = 4,010,201,851.52 : x - Step 2: Convert to fraction form
7,351,688,708.48/10,145,395,165.44 = 4,010,201,851.52/x - Step 3: Cross multiply
7,351,688,708.48x = 10,145,395,165.44 × 4,010,201,851.52 - Step 4: Simplify right side
7,351,688,708.48x = 40,685,082,476,849,545,216 - Step 5: Solve for x
x = 40,685,082,476,849,545,216/7,351,688,708.48 - Step 6: Final answer
x = 5,534,113,873.72
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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.