Finding the Fourth Proportional to 649,236,318.24, 971,555,636.88 and 403,708,573.92
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Solution
The fourth proportional to 649,236,318.24, 971,555,636.88 and 403,708,573.92 is: 604,133,394.31
Step by Step Solution
- Step 1: Write the proportion equation
649,236,318.24 : 971,555,636.88 = 403,708,573.92 : x - Step 2: Convert to fraction form
649,236,318.24/971,555,636.88 = 403,708,573.92/x - Step 3: Cross multiply
649,236,318.24x = 971,555,636.88 × 403,708,573.92 - Step 4: Simplify right side
649,236,318.24x = 392,225,340,648,762,176 - Step 5: Solve for x
x = 392,225,340,648,762,176/649,236,318.24 - Step 6: Final answer
x = 604,133,394.31
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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.