Finding the Fourth Proportional to 10,239,130,133.18, 15,358,695,236.62 and 2,878,140,842.18
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Solution
The fourth proportional to 10,239,130,133.18, 15,358,695,236.62 and 2,878,140,842.18 is: 4,317,211,273.63
Step by Step Solution
- Step 1: Write the proportion equation
10,239,130,133.18 : 15,358,695,236.62 = 2,878,140,842.18 : x - Step 2: Convert to fraction form
10,239,130,133.18/15,358,695,236.62 = 2,878,140,842.18/x - Step 3: Cross multiply
10,239,130,133.18x = 15,358,695,236.62 × 2,878,140,842.18 - Step 4: Simplify right side
10,239,130,133.18x = 44,204,488,043,111,440,384 - Step 5: Solve for x
x = 44,204,488,043,111,440,384/10,239,130,133.18 - Step 6: Final answer
x = 4,317,211,273.63
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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.