Finding the Fourth Proportional to 4,801,782,620.76, 6,626,317,697.79 and 2,658,484,804.50
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Solution
The fourth proportional to 4,801,782,620.76, 6,626,317,697.79 and 2,658,484,804.50 is: 3,668,630,236.03
Step by Step Solution
- Step 1: Write the proportion equation
4,801,782,620.76 : 6,626,317,697.79 = 2,658,484,804.50 : x - Step 2: Convert to fraction form
4,801,782,620.76/6,626,317,697.79 = 2,658,484,804.50/x - Step 3: Cross multiply
4,801,782,620.76x = 6,626,317,697.79 × 2,658,484,804.50 - Step 4: Simplify right side
4,801,782,620.76x = 17,615,964,909,364,137,984 - Step 5: Solve for x
x = 17,615,964,909,364,137,984/4,801,782,620.76 - Step 6: Final answer
x = 3,668,630,236.03
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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.