Finding the Fourth Proportional to 3,296,487,477.60, 4,944,731,216.40 and 1,225,780,765.20
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Solution
The fourth proportional to 3,296,487,477.60, 4,944,731,216.40 and 1,225,780,765.20 is: 1,838,671,147.80
Step by Step Solution
- Step 1: Write the proportion equation
3,296,487,477.60 : 4,944,731,216.40 = 1,225,780,765.20 : x - Step 2: Convert to fraction form
3,296,487,477.60/4,944,731,216.40 = 1,225,780,765.20/x - Step 3: Cross multiply
3,296,487,477.60x = 4,944,731,216.40 × 1,225,780,765.20 - Step 4: Simplify right side
3,296,487,477.60x = 6,061,156,414,147,118,080 - Step 5: Solve for x
x = 6,061,156,414,147,118,080/3,296,487,477.60 - Step 6: Final answer
x = 1,838,671,147.80
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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.