Finding the Fourth Proportional to 2,054,973,288.96, 2,835,864,967.68 and 1,115,175,933.44
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Solution
The fourth proportional to 2,054,973,288.96, 2,835,864,967.68 and 1,115,175,933.44 is: 1,538,943,780.65
Step by Step Solution
- Step 1: Write the proportion equation
2,054,973,288.96 : 2,835,864,967.68 = 1,115,175,933.44 : x - Step 2: Convert to fraction form
2,054,973,288.96/2,835,864,967.68 = 1,115,175,933.44/x - Step 3: Cross multiply
2,054,973,288.96x = 2,835,864,967.68 × 1,115,175,933.44 - Step 4: Simplify right side
2,054,973,288.96x = 3,162,488,362,442,339,328 - Step 5: Solve for x
x = 3,162,488,362,442,339,328/2,054,973,288.96 - Step 6: Final answer
x = 1,538,943,780.65
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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.