Finding the Fourth Proportional to 1,306,368,305.10, 1,959,552,457.65 and 1,153,313,297.10
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Solution
The fourth proportional to 1,306,368,305.10, 1,959,552,457.65 and 1,153,313,297.10 is: 1,729,969,945.65
Step by Step Solution
- Step 1: Write the proportion equation
1,306,368,305.10 : 1,959,552,457.65 = 1,153,313,297.10 : x - Step 2: Convert to fraction form
1,306,368,305.10/1,959,552,457.65 = 1,153,313,297.10/x - Step 3: Cross multiply
1,306,368,305.10x = 1,959,552,457.65 × 1,153,313,297.10 - Step 4: Simplify right side
1,306,368,305.10x = 2,259,977,905,772,729,600 - Step 5: Solve for x
x = 2,259,977,905,772,729,600/1,306,368,305.10 - Step 6: Final answer
x = 1,729,969,945.65
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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.