Finding the Fourth Proportional to 411,211,976.58, 616,757,292.02 and 120,000,909.02
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Solution
The fourth proportional to 411,211,976.58, 616,757,292.02 and 120,000,909.02 is: 179,983,657.82
Step by Step Solution
- Step 1: Write the proportion equation
411,211,976.58 : 616,757,292.02 = 120,000,909.02 : x - Step 2: Convert to fraction form
411,211,976.58/616,757,292.02 = 120,000,909.02/x - Step 3: Cross multiply
411,211,976.58x = 616,757,292.02 × 120,000,909.02 - Step 4: Simplify right side
411,211,976.58x = 74,011,435,683,429,792 - Step 5: Solve for x
x = 74,011,435,683,429,792/411,211,976.58 - Step 6: Final answer
x = 179,983,657.82
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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.