Finding the Fourth Proportional to 3,219,264,228.80, 4,828,448,445.60 and 1,038,450,814.40
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Solution
The fourth proportional to 3,219,264,228.80, 4,828,448,445.60 and 1,038,450,814.40 is: 1,557,531,741.50
Step by Step Solution
- Step 1: Write the proportion equation
3,219,264,228.80 : 4,828,448,445.60 = 1,038,450,814.40 : x - Step 2: Convert to fraction form
3,219,264,228.80/4,828,448,445.60 = 1,038,450,814.40/x - Step 3: Cross multiply
3,219,264,228.80x = 4,828,448,445.60 × 1,038,450,814.40 - Step 4: Simplify right side
3,219,264,228.80x = 5,014,106,220,621,733,888 - Step 5: Solve for x
x = 5,014,106,220,621,733,888/3,219,264,228.80 - Step 6: Final answer
x = 1,557,531,741.50
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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.