Finding the Fourth Proportional to 1,135,438,629.12, 1,703,146,577.76 and 359,084,422.08
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Solution
The fourth proportional to 1,135,438,629.12, 1,703,146,577.76 and 359,084,422.08 is: 538,623,038.63
Step by Step Solution
- Step 1: Write the proportion equation
1,135,438,629.12 : 1,703,146,577.76 = 359,084,422.08 : x - Step 2: Convert to fraction form
1,135,438,629.12/1,703,146,577.76 = 359,084,422.08/x - Step 3: Cross multiply
1,135,438,629.12x = 1,703,146,577.76 × 359,084,422.08 - Step 4: Simplify right side
1,135,438,629.12x = 611,573,404,592,479,360 - Step 5: Solve for x
x = 611,573,404,592,479,360/1,135,438,629.12 - Step 6: Final answer
x = 538,623,038.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.