Finding the Fourth Proportional to 1,390,062,373.12, 2,084,082,608.40 and 652,752,349.12
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Solution
The fourth proportional to 1,390,062,373.12, 2,084,082,608.40 and 652,752,349.12 is: 978,653,796.19
Step by Step Solution
- Step 1: Write the proportion equation
1,390,062,373.12 : 2,084,082,608.40 = 652,752,349.12 : x - Step 2: Convert to fraction form
1,390,062,373.12/2,084,082,608.40 = 652,752,349.12/x - Step 3: Cross multiply
1,390,062,373.12x = 2,084,082,608.40 × 652,752,349.12 - Step 4: Simplify right side
1,390,062,373.12x = 1,360,389,818,393,236,992 - Step 5: Solve for x
x = 1,360,389,818,393,236,992/1,390,062,373.12 - Step 6: Final answer
x = 978,653,796.19
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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.