Finding the Fourth Proportional to 434,484,005.05, 651,726,007.58 and 414,328,613.05
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Solution
The fourth proportional to 434,484,005.05, 651,726,007.58 and 414,328,613.05 is: 621,492,919.58
Step by Step Solution
- Step 1: Write the proportion equation
434,484,005.05 : 651,726,007.58 = 414,328,613.05 : x - Step 2: Convert to fraction form
434,484,005.05/651,726,007.58 = 414,328,613.05/x - Step 3: Cross multiply
434,484,005.05x = 651,726,007.58 × 414,328,613.05 - Step 4: Simplify right side
434,484,005.05x = 270,028,732,807,163,584 - Step 5: Solve for x
x = 270,028,732,807,163,584/434,484,005.05 - Step 6: Final answer
x = 621,492,919.58
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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.