Finding the Fourth Proportional to 1,237,991,795.40, 1,856,987,693.10 and 1,190,374,681.80
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Solution
The fourth proportional to 1,237,991,795.40, 1,856,987,693.10 and 1,190,374,681.80 is: 1,785,562,022.70
Step by Step Solution
- Step 1: Write the proportion equation
1,237,991,795.40 : 1,856,987,693.10 = 1,190,374,681.80 : x - Step 2: Convert to fraction form
1,237,991,795.40/1,856,987,693.10 = 1,190,374,681.80/x - Step 3: Cross multiply
1,237,991,795.40x = 1,856,987,693.10 × 1,190,374,681.80 - Step 4: Simplify right side
1,237,991,795.40x = 2,210,511,134,280,428,288 - Step 5: Solve for x
x = 2,210,511,134,280,428,288/1,237,991,795.40 - Step 6: Final answer
x = 1,785,562,022.70
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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.