Finding the Fourth Proportional to 4,084,281,779.58, 6,128,204,651.80 and 1,430,242,747.20
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Solution
The fourth proportional to 4,084,281,779.58, 6,128,204,651.80 and 1,430,242,747.20 is: 2,145,988,139.31
Step by Step Solution
- Step 1: Write the proportion equation
4,084,281,779.58 : 6,128,204,651.80 = 1,430,242,747.20 : x - Step 2: Convert to fraction form
4,084,281,779.58/6,128,204,651.80 = 1,430,242,747.20/x - Step 3: Cross multiply
4,084,281,779.58x = 6,128,204,651.80 × 1,430,242,747.20 - Step 4: Simplify right side
4,084,281,779.58x = 8,764,820,256,594,251,776 - Step 5: Solve for x
x = 8,764,820,256,594,251,776/4,084,281,779.58 - Step 6: Final answer
x = 2,145,988,139.31
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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.