Finding the Fourth Proportional to 4,288,990,909.05, 6,429,801,730.58 and 1,490,595,875.42
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Solution
The fourth proportional to 4,288,990,909.05, 6,429,801,730.58 and 1,490,595,875.42 is: 2,234,613,255.79
Step by Step Solution
- Step 1: Write the proportion equation
4,288,990,909.05 : 6,429,801,730.58 = 1,490,595,875.42 : x - Step 2: Convert to fraction form
4,288,990,909.05/6,429,801,730.58 = 1,490,595,875.42/x - Step 3: Cross multiply
4,288,990,909.05x = 6,429,801,730.58 × 1,490,595,875.42 - Step 4: Simplify right side
4,288,990,909.05x = 9,584,235,939,336,839,168 - Step 5: Solve for x
x = 9,584,235,939,336,839,168/4,288,990,909.05 - Step 6: Final answer
x = 2,234,613,255.79
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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.