Finding the Fourth Proportional to 4,137,288,631.12, 5,709,578,894.04 and 2,257,814,981.26
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Solution
The fourth proportional to 4,137,288,631.12, 5,709,578,894.04 and 2,257,814,981.26 is: 3,115,850,479.15
Step by Step Solution
- Step 1: Write the proportion equation
4,137,288,631.12 : 5,709,578,894.04 = 2,257,814,981.26 : x - Step 2: Convert to fraction form
4,137,288,631.12/5,709,578,894.04 = 2,257,814,981.26/x - Step 3: Cross multiply
4,137,288,631.12x = 5,709,578,894.04 × 2,257,814,981.26 - Step 4: Simplify right side
4,137,288,631.12x = 12,891,172,763,649,415,168 - Step 5: Solve for x
x = 12,891,172,763,649,415,168/4,137,288,631.12 - Step 6: Final answer
x = 3,115,850,479.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.