Finding the Fourth Proportional to 706,294,525.99, 974,623,093.95 and 408,956,836.35
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Solution
The fourth proportional to 706,294,525.99, 974,623,093.95 and 408,956,836.35 is: 564,323,752.30
Step by Step Solution
- Step 1: Write the proportion equation
706,294,525.99 : 974,623,093.95 = 408,956,836.35 : x - Step 2: Convert to fraction form
706,294,525.99/974,623,093.95 = 408,956,836.35/x - Step 3: Cross multiply
706,294,525.99x = 974,623,093.95 × 408,956,836.35 - Step 4: Simplify right side
706,294,525.99x = 398,578,777,134,445,568 - Step 5: Solve for x
x = 398,578,777,134,445,568/706,294,525.99 - Step 6: Final answer
x = 564,323,752.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.