Finding the Fourth Proportional to 245,579,571,562.20, 368,040,082,058.71 and 191,128,684,175.31
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Solution
The fourth proportional to 245,579,571,562.20, 368,040,082,058.71 and 191,128,684,175.31 is: 286,436,759,214.88
Step by Step Solution
- Step 1: Write the proportion equation
245,579,571,562.20 : 368,040,082,058.71 = 191,128,684,175.31 : x - Step 2: Convert to fraction form
245,579,571,562.20/368,040,082,058.71 = 191,128,684,175.31/x - Step 3: Cross multiply
245,579,571,562.20x = 368,040,082,058.71 × 191,128,684,175.31 - Step 4: Simplify right side
245,579,571,562.20x = 70,343,016,607,654,361,432,064 - Step 5: Solve for x
x = 70,343,016,607,654,361,432,064/245,579,571,562.20 - Step 6: Final answer
x = 286,436,759,214.88
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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.