Finding the Fourth Proportional to 649,542,574.90, 974,313,862.35 and 305,168,806.90
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Solution
The fourth proportional to 649,542,574.90, 974,313,862.35 and 305,168,806.90 is: 457,753,210.35
Step by Step Solution
- Step 1: Write the proportion equation
649,542,574.90 : 974,313,862.35 = 305,168,806.90 : x - Step 2: Convert to fraction form
649,542,574.90/974,313,862.35 = 305,168,806.90/x - Step 3: Cross multiply
649,542,574.90x = 974,313,862.35 × 305,168,806.90 - Step 4: Simplify right side
649,542,574.90x = 297,330,198,919,480,320 - Step 5: Solve for x
x = 297,330,198,919,480,320/649,542,574.90 - Step 6: Final answer
x = 457,753,210.35
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Similar ratio
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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.