Finding the Fourth Proportional to 1,569,873,627.40, 2,354,810,441.10 and 479,354,945.80
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Solution
The fourth proportional to 1,569,873,627.40, 2,354,810,441.10 and 479,354,945.80 is: 719,032,418.70
Step by Step Solution
- Step 1: Write the proportion equation
1,569,873,627.40 : 2,354,810,441.10 = 479,354,945.80 : x - Step 2: Convert to fraction form
1,569,873,627.40/2,354,810,441.10 = 479,354,945.80/x - Step 3: Cross multiply
1,569,873,627.40x = 2,354,810,441.10 × 479,354,945.80 - Step 4: Simplify right side
1,569,873,627.40x = 1,128,790,031,362,764,544 - Step 5: Solve for x
x = 1,128,790,031,362,764,544/1,569,873,627.40 - Step 6: Final answer
x = 719,032,418.70
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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.