Finding the Fourth Proportional to 3,908,692,861.20, 5,863,039,291.80 and 3,296,472,829.20
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Solution
The fourth proportional to 3,908,692,861.20, 5,863,039,291.80 and 3,296,472,829.20 is: 4,944,709,243.80
Step by Step Solution
- Step 1: Write the proportion equation
3,908,692,861.20 : 5,863,039,291.80 = 3,296,472,829.20 : x - Step 2: Convert to fraction form
3,908,692,861.20/5,863,039,291.80 = 3,296,472,829.20/x - Step 3: Cross multiply
3,908,692,861.20x = 5,863,039,291.80 × 3,296,472,829.20 - Step 4: Simplify right side
3,908,692,861.20x = 19,327,349,721,950,711,808 - Step 5: Solve for x
x = 19,327,349,721,950,711,808/3,908,692,861.20 - Step 6: Final answer
x = 4,944,709,243.80
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1.5x scale
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.