Finding the Fourth Proportional to 649,236,310.24, 971,555,624.88 and 403,708,565.92
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Solution
The fourth proportional to 649,236,310.24, 971,555,624.88 and 403,708,565.92 is: 604,133,382.32
Step by Step Solution
- Step 1: Write the proportion equation
649,236,310.24 : 971,555,624.88 = 403,708,565.92 : x - Step 2: Convert to fraction form
649,236,310.24/971,555,624.88 = 403,708,565.92/x - Step 3: Cross multiply
649,236,310.24x = 971,555,624.88 × 403,708,565.92 - Step 4: Simplify right side
649,236,310.24x = 392,225,328,031,814,272 - Step 5: Solve for x
x = 392,225,328,031,814,272/649,236,310.24 - Step 6: Final answer
x = 604,133,382.32
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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.