Finding the Fourth Proportional to 539,080,801.20, 808,621,201.80 and 175,575,157.20
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Solution
The fourth proportional to 539,080,801.20, 808,621,201.80 and 175,575,157.20 is: 263,362,735.80
Step by Step Solution
- Step 1: Write the proportion equation
539,080,801.20 : 808,621,201.80 = 175,575,157.20 : x - Step 2: Convert to fraction form
539,080,801.20/808,621,201.80 = 175,575,157.20/x - Step 3: Cross multiply
539,080,801.20x = 808,621,201.80 × 175,575,157.20 - Step 4: Simplify right side
539,080,801.20x = 141,973,794,621,287,904 - Step 5: Solve for x
x = 141,973,794,621,287,904/539,080,801.20 - Step 6: Final answer
x = 263,362,735.80
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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.