Finding the Fourth Proportional to 409,915,164.08, 614,378,737.72 and 188,280,663.62
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Solution
The fourth proportional to 409,915,164.08, 614,378,737.72 and 188,280,663.62 is: 282,194,089.38
Step by Step Solution
- Step 1: Write the proportion equation
409,915,164.08 : 614,378,737.72 = 188,280,663.62 : x - Step 2: Convert to fraction form
409,915,164.08/614,378,737.72 = 188,280,663.62/x - Step 3: Cross multiply
409,915,164.08x = 614,378,737.72 × 188,280,663.62 - Step 4: Simplify right side
409,915,164.08x = 115,675,636,451,939,536 - Step 5: Solve for x
x = 115,675,636,451,939,536/409,915,164.08 - Step 6: Final answer
x = 282,194,089.38
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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.