Finding the Fourth Proportional to 48,964,101,367.12, 73,445,905,520.76 and 19,121,462,921.68
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Solution
The fourth proportional to 48,964,101,367.12, 73,445,905,520.76 and 19,121,462,921.68 is: 28,682,098,107.65
Step by Step Solution
- Step 1: Write the proportion equation
48,964,101,367.12 : 73,445,905,520.76 = 19,121,462,921.68 : x - Step 2: Convert to fraction form
48,964,101,367.12/73,445,905,520.76 = 19,121,462,921.68/x - Step 3: Cross multiply
48,964,101,367.12x = 73,445,905,520.76 × 19,121,462,921.68 - Step 4: Simplify right side
48,964,101,367.12x = 1,404,393,159,164,424,617,984 - Step 5: Solve for x
x = 1,404,393,159,164,424,617,984/48,964,101,367.12 - Step 6: Final answer
x = 28,682,098,107.65
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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.