Finding the Fourth Proportional to 2,811,894,848.20, 4,217,842,272.30 and 2,356,131,046.60
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Solution
The fourth proportional to 2,811,894,848.20, 4,217,842,272.30 and 2,356,131,046.60 is: 3,534,196,569.90
Step by Step Solution
- Step 1: Write the proportion equation
2,811,894,848.20 : 4,217,842,272.30 = 2,356,131,046.60 : x - Step 2: Convert to fraction form
2,811,894,848.20/4,217,842,272.30 = 2,356,131,046.60/x - Step 3: Cross multiply
2,811,894,848.20x = 4,217,842,272.30 × 2,356,131,046.60 - Step 4: Simplify right side
2,811,894,848.20x = 9,937,789,127,427,921,920 - Step 5: Solve for x
x = 9,937,789,127,427,921,920/2,811,894,848.20 - Step 6: Final answer
x = 3,534,196,569.90
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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.