Finding the Fourth Proportional to 1,350,501,763.14, 1,863,652,406.40 and 747,699,252.84
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Solution
The fourth proportional to 1,350,501,763.14, 1,863,652,406.40 and 747,699,252.84 is: 1,031,802,808.30
Step by Step Solution
- Step 1: Write the proportion equation
1,350,501,763.14 : 1,863,652,406.40 = 747,699,252.84 : x - Step 2: Convert to fraction form
1,350,501,763.14/1,863,652,406.40 = 747,699,252.84/x - Step 3: Cross multiply
1,350,501,763.14x = 1,863,652,406.40 × 747,699,252.84 - Step 4: Simplify right side
1,350,501,763.14x = 1,393,451,511,818,748,160 - Step 5: Solve for x
x = 1,393,451,511,818,748,160/1,350,501,763.14 - Step 6: Final answer
x = 1,031,802,808.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.