Finding the Fourth Proportional to 1,617,451,863.40, 2,426,177,795.10 and 648,798,653.80
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Solution
The fourth proportional to 1,617,451,863.40, 2,426,177,795.10 and 648,798,653.80 is: 973,197,980.70
Step by Step Solution
- Step 1: Write the proportion equation
1,617,451,863.40 : 2,426,177,795.10 = 648,798,653.80 : x - Step 2: Convert to fraction form
1,617,451,863.40/2,426,177,795.10 = 648,798,653.80/x - Step 3: Cross multiply
1,617,451,863.40x = 2,426,177,795.10 × 648,798,653.80 - Step 4: Simplify right side
1,617,451,863.40x = 1,574,100,887,340,332,032 - Step 5: Solve for x
x = 1,574,100,887,340,332,032/1,617,451,863.40 - Step 6: Final answer
x = 973,197,980.70
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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.