Finding the Fourth Proportional to 963,077,106.80, 1,444,615,660.20 and 717,828,287.60
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Solution
The fourth proportional to 963,077,106.80, 1,444,615,660.20 and 717,828,287.60 is: 1,076,742,431.40
Step by Step Solution
- Step 1: Write the proportion equation
963,077,106.80 : 1,444,615,660.20 = 717,828,287.60 : x - Step 2: Convert to fraction form
963,077,106.80/1,444,615,660.20 = 717,828,287.60/x - Step 3: Cross multiply
963,077,106.80x = 1,444,615,660.20 × 717,828,287.60 - Step 4: Simplify right side
963,077,106.80x = 1,036,985,985,601,509,504 - Step 5: Solve for x
x = 1,036,985,985,601,509,504/963,077,106.80 - Step 6: Final answer
x = 1,076,742,431.40
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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.