Finding the Fourth Proportional to 1,617,451,628.40, 2,426,177,442.60 and 648,798,418.80
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Solution
The fourth proportional to 1,617,451,628.40, 2,426,177,442.60 and 648,798,418.80 is: 973,197,628.20
Step by Step Solution
- Step 1: Write the proportion equation
1,617,451,628.40 : 2,426,177,442.60 = 648,798,418.80 : x - Step 2: Convert to fraction form
1,617,451,628.40/2,426,177,442.60 = 648,798,418.80/x - Step 3: Cross multiply
1,617,451,628.40x = 2,426,177,442.60 × 648,798,418.80 - Step 4: Simplify right side
1,617,451,628.40x = 1,574,100,088,487,107,584 - Step 5: Solve for x
x = 1,574,100,088,487,107,584/1,617,451,628.40 - Step 6: Final answer
x = 973,197,628.20
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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.