Finding the Fourth Proportional to 604,548,624.99, 905,878,153.49 and 420,675,353.40
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Solution
The fourth proportional to 604,548,624.99, 905,878,153.49 and 420,675,353.40 is: 630,355,601.86
Step by Step Solution
- Step 1: Write the proportion equation
604,548,624.99 : 905,878,153.49 = 420,675,353.40 : x - Step 2: Convert to fraction form
604,548,624.99/905,878,153.49 = 420,675,353.40/x - Step 3: Cross multiply
604,548,624.99x = 905,878,153.49 × 420,675,353.40 - Step 4: Simplify right side
604,548,624.99x = 381,080,612,356,745,152 - Step 5: Solve for x
x = 381,080,612,356,745,152/604,548,624.99 - Step 6: Final answer
x = 630,355,601.86
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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.